BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Orbinauts//Visible passes//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
NAME:Visible passes over Chicago
X-WR-CALNAME:Visible passes over Chicago
DESCRIPTION:Every visible pass over Chicago in the next 10 days\, whichever
  satellite\, updated every 4 hours.
X-WR-CALDESC:Every visible pass over Chicago in the next 10 days\, whicheve
 r satellite\, updated every 4 hours.
REFRESH-INTERVAL;VALUE=DURATION:PT4H
X-PUBLISHED-TTL:PT4H
URL:https://orbinauts.com/places/united-states/chicago
SOURCE;VALUE=URI:https://orbinauts.com/places/united-states/chicago/passes.
 ics
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-19T01
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260919T005412Z
DTEND:20260919T005901Z
SUMMARY:Terra over Chicago\, up to 21°
DESCRIPTION:Date: Sep 18\, 2026\nTime: 7:54 PM\nDuration: 5 minutes\nMaximu
 m elevation: 21°\nApproach: E\nDeparture: NNE\nBrightness: no brighter th
 an a faint star\, magnitude 3\nPass times computed on Sep 18\, 2026\, 3:59
  PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 21°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-19T02:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260919T012837Z
DTEND:20260919T013154Z
SUMMARY:ISS over Chicago\, up to 16°
DESCRIPTION:Date: Sep 18\, 2026\nTime: 8:28 PM\nDuration: 3 minutes\nMaximu
 m elevation: 16°\nApproach: NW\nDeparture: NNE\nBrightness: as bright as 
 Jupiter\, magnitude -1.5\nPass times computed on Sep 18\, 2026\, 3:59 PM f
 rom NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 16°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-19T03
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260919T023249Z
DTEND:20260919T023510Z
SUMMARY:Terra over Chicago\, up to 42°
DESCRIPTION:Date: Sep 18\, 2026\nTime: 9:32 PM\nDuration: 2 minutes\nMaximu
 m elevation: 42°\nApproach: WSW\nDeparture: NW\nBrightness: no brighter t
 han a faint star\, magnitude 2.7\nPass times computed on Sep 18\, 2026\, 3
 :59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 42°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/aqua/2026-09-19T10:
 00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260919T102722Z
DTEND:20260919T102854Z
SUMMARY:Aqua over Chicago\, up to 49°
DESCRIPTION:Date: Sep 19\, 2026\nTime: 5:27 AM\nDuration: 2 minutes\nMaximu
 m elevation: 49°\nApproach: NW\nDeparture: WSW\nBrightness: no brighter t
 han a faint star\, magnitude 3.8\nPass times computed on Sep 18\, 2026\, 3
 :59 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Aqua over Chicago\, up to 49°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/bluewalker-3/2026-0
 9-19T11:00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260919T103234Z
DTEND:20260919T103503Z
SUMMARY:BlueWalker 3 over Chicago\, up to 24°
DESCRIPTION:Date: Sep 19\, 2026\nTime: 5:32 AM\nDuration: 2 minutes\nMaximu
 m elevation: 24°\nApproach: NNW\nDeparture: NNE\nBrightness: no brighter 
 than a faint star\, magnitude 3.7\nPass times computed on Sep 18\, 2026\, 
 3:59 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:BlueWalker 3 over Chicago\, up to 24°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-20T01:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260920T004052Z
DTEND:20260920T004504Z
SUMMARY:ISS over Chicago\, up to 15°
DESCRIPTION:Date: Sep 19\, 2026\nTime: 7:40 PM\nDuration: 4 minutes\nMaximu
 m elevation: 15°\nApproach: NW\nDeparture: NE\nBrightness: as bright as J
 upiter\, magnitude -1.5\nPass times computed on Sep 18\, 2026\, 3:59 PM fr
 om NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 15°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-20T02
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260920T013331Z
DTEND:20260920T013749Z
SUMMARY:Terra over Chicago\, up to 48°
DESCRIPTION:Date: Sep 19\, 2026\nTime: 8:33 PM\nDuration: 4 minutes\nMaximu
 m elevation: 48°\nApproach: ESE\nDeparture: N\nBrightness: no brighter th
 an a faint star\, magnitude 1.8\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 48°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-20T02:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260920T021741Z
DTEND:20260920T021859Z
SUMMARY:ISS over Chicago\, up to 18°
DESCRIPTION:Date: Sep 19\, 2026\nTime: 9:17 PM\nDuration: 1 minute\nMaximum
  elevation: 18°\nApproach: NW\nDeparture: NNW\nBrightness: as bright as t
 he brightest stars\, magnitude -0.8\nPass times computed on Sep 18\, 2026\
 , 3:59 PM from NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 18°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/bluewalker-3/2026-0
 9-20T10:00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260920T095511Z
DTEND:20260920T095602Z
SUMMARY:BlueWalker 3 over Chicago\, up to 19°
DESCRIPTION:Date: Sep 20\, 2026\nTime: 4:55 AM\nDuration: 1 minute\nMaximum
  elevation: 19°\nApproach: NNW\nDeparture: N\nBrightness: no brighter tha
 n a faint star\, magnitude 4\nPass times computed on Sep 18\, 2026\, 3:59 
 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:BlueWalker 3 over Chicago\, up to 19°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-21T01
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260921T003413Z
DTEND:20260921T003837Z
SUMMARY:Terra over Chicago\, up to 14°
DESCRIPTION:Date: Sep 20\, 2026\nTime: 7:34 PM\nDuration: 4 minutes\nMaximu
 m elevation: 14°\nApproach: E\nDeparture: NNE\nBrightness: no brighter th
 an a faint star\, magnitude 3.4\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 14°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-21T02:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260921T013009Z
DTEND:20260921T013307Z
SUMMARY:ISS over Chicago\, up to 21°
DESCRIPTION:Date: Sep 20\, 2026\nTime: 8:30 PM\nDuration: 3 minutes\nMaximu
 m elevation: 21°\nApproach: NW\nDeparture: NNE\nBrightness: as bright as 
 Jupiter\, magnitude -2\nPass times computed on Sep 18\, 2026\, 3:59 PM fro
 m NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 21°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-21T02
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260921T021250Z
DTEND:20260921T021552Z
SUMMARY:Terra over Chicago\, up to 69°
DESCRIPTION:Date: Sep 20\, 2026\nTime: 9:12 PM\nDuration: 3 minutes\nMaximu
 m elevation: 69°\nApproach: SW\nDeparture: NNW\nBrightness: no brighter t
 han a faint star\, magnitude 1.8\nPass times computed on Sep 18\, 2026\, 3
 :59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 69°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/aqua/2026-09-21T10:
 00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260921T100504Z
DTEND:20260921T100714Z
SUMMARY:Aqua over Chicago\, up to 84°
DESCRIPTION:Date: Sep 21\, 2026\nTime: 5:05 AM\nDuration: 2 minutes\nMaximu
 m elevation: 84°\nApproach: N\nDeparture: SSW\nBrightness: no brighter th
 an a faint star\, magnitude 3.5\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Aqua over Chicago\, up to 84°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/bluewalker-3/2026-0
 9-21T11:00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260921T105249Z
DTEND:20260921T105742Z
SUMMARY:BlueWalker 3 over Chicago\, up to 70°
DESCRIPTION:Date: Sep 21\, 2026\nTime: 5:52 AM\nDuration: 5 minutes\nMaximu
 m elevation: 70°\nApproach: NW\nDeparture: ESE\nBrightness: no brighter t
 han a faint star\, magnitude 1.9\nPass times computed on Sep 18\, 2026\, 3
 :59 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:BlueWalker 3 over Chicago\, up to 70°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-22T01:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260922T004233Z
DTEND:20260922T004715Z
SUMMARY:ISS over Chicago\, up to 18°
DESCRIPTION:Date: Sep 21\, 2026\nTime: 7:42 PM\nDuration: 5 minutes\nMaximu
 m elevation: 18°\nApproach: NW\nDeparture: NE\nBrightness: as bright as J
 upiter\, magnitude -1.8\nPass times computed on Sep 18\, 2026\, 3:59 PM fr
 om NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 18°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-22T01
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260922T011332Z
DTEND:20260922T011750Z
SUMMARY:Terra over Chicago\, up to 31°
DESCRIPTION:Date: Sep 21\, 2026\nTime: 8:13 PM\nDuration: 4 minutes\nMaximu
 m elevation: 31°\nApproach: E\nDeparture: NNE\nBrightness: no brighter th
 an a faint star\, magnitude 2.4\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 31°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-22T02:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260922T021901Z
DTEND:20260922T022011Z
SUMMARY:ISS over Chicago\, up to 20°
DESCRIPTION:Date: Sep 21\, 2026\nTime: 9:19 PM\nDuration: 1 minute\nMaximum
  elevation: 20°\nApproach: NW\nDeparture: NW\nBrightness: as bright as th
 e brightest stars\, magnitude -0.6\nPass times computed on Sep 18\, 2026\,
  3:59 PM from NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 20°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-22T03
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260922T025209Z
DTEND:20260922T025252Z
SUMMARY:Terra over Chicago\, up to 27°
DESCRIPTION:Date: Sep 21\, 2026\nTime: 9:52 PM\nDuration: 1 minute\nMaximum
  elevation: 27°\nApproach: W\nDeparture: WNW\nBrightness: no brighter tha
 n a faint star\, magnitude 3.7\nPass times computed on Sep 18\, 2026\, 3:5
 9 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 27°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/bluewalker-3/2026-0
 9-22T10:00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260922T101517Z
DTEND:20260922T101918Z
SUMMARY:BlueWalker 3 over Chicago\, up to 51°
DESCRIPTION:Date: Sep 22\, 2026\nTime: 5:15 AM\nDuration: 4 minutes\nMaximu
 m elevation: 51°\nApproach: NW\nDeparture: E\nBrightness: no brighter tha
 n a faint star\, magnitude 2.4\nPass times computed on Sep 18\, 2026\, 3:5
 9 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:BlueWalker 3 over Chicago\, up to 51°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-23T02:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260923T013126Z
DTEND:20260923T013421Z
SUMMARY:ISS over Chicago\, up to 35°
DESCRIPTION:Date: Sep 22\, 2026\nTime: 8:31 PM\nDuration: 3 minutes\nMaximu
 m elevation: 35°\nApproach: NW\nDeparture: NNE\nBrightness: as bright as 
 Jupiter\, magnitude -2.7\nPass times computed on Sep 18\, 2026\, 3:59 PM f
 rom NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 35°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-23T02
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260923T015251Z
DTEND:20260923T015617Z
SUMMARY:Terra over Chicago\, up to 76°
DESCRIPTION:Date: Sep 22\, 2026\nTime: 8:52 PM\nDuration: 3 minutes\nMaximu
 m elevation: 76°\nApproach: ESE\nDeparture: N\nBrightness: no brighter th
 an a faint star\, magnitude 1.5\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 76°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/bluewalker-3/2026-0
 9-23T10:00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260923T093911Z
DTEND:20260923T094051Z
SUMMARY:BlueWalker 3 over Chicago\, up to 38°
DESCRIPTION:Date: Sep 23\, 2026\nTime: 4:39 AM\nDuration: 2 minutes\nMaximu
 m elevation: 38°\nApproach: N\nDeparture: ENE\nBrightness: no brighter th
 an a faint star\, magnitude 2.9\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:BlueWalker 3 over Chicago\, up to 38°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-24T01:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260924T004352Z
DTEND:20260924T004832Z
SUMMARY:ISS over Chicago\, up to 26°
DESCRIPTION:Date: Sep 23\, 2026\nTime: 7:43 PM\nDuration: 5 minutes\nMaximu
 m elevation: 26°\nApproach: NW\nDeparture: ENE\nBrightness: as bright as 
 Jupiter\, magnitude -2.5\nPass times computed on Sep 18\, 2026\, 3:59 PM f
 rom NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 26°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-24T01
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260924T005333Z
DTEND:20260924T005739Z
SUMMARY:Terra over Chicago\, up to 21°
DESCRIPTION:Date: Sep 23\, 2026\nTime: 7:53 PM\nDuration: 4 minutes\nMaximu
 m elevation: 21°\nApproach: E\nDeparture: NNE\nBrightness: no brighter th
 an a faint star\, magnitude 3\nPass times computed on Sep 18\, 2026\, 3:59
  PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 21°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-24T02:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260924T022027Z
DTEND:20260924T022129Z
SUMMARY:ISS over Chicago\, up to 18°
DESCRIPTION:Date: Sep 23\, 2026\nTime: 9:20 PM\nDuration: 1 minute\nMaximum
  elevation: 18°\nApproach: WNW\nDeparture: WNW\nBrightness: as bright as 
 the brightest stars\, magnitude -0.4\nPass times computed on Sep 18\, 2026
 \, 3:59 PM from NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 18°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-24T03
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260924T023210Z
DTEND:20260924T023353Z
SUMMARY:Terra over Chicago\, up to 43°
DESCRIPTION:Date: Sep 23\, 2026\nTime: 9:32 PM\nDuration: 2 minutes\nMaximu
 m elevation: 43°\nApproach: W\nDeparture: NW\nBrightness: no brighter tha
 n a faint star\, magnitude 2.9\nPass times computed on Sep 18\, 2026\, 3:5
 9 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 43°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/aqua/2026-09-24T10:
 00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260924T102035Z
DTEND:20260924T102239Z
SUMMARY:Aqua over Chicago\, up to 59°
DESCRIPTION:Date: Sep 24\, 2026\nTime: 5:20 AM\nDuration: 2 minutes\nMaximu
 m elevation: 59°\nApproach: NNW\nDeparture: SW\nBrightness: no brighter t
 han a faint star\, magnitude 3.6\nPass times computed on Sep 18\, 2026\, 3
 :59 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Aqua over Chicago\, up to 59°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/bluewalker-3/2026-0
 9-24T11:00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260924T103654Z
DTEND:20260924T104118Z
SUMMARY:BlueWalker 3 over Chicago\, up to 38°
DESCRIPTION:Date: Sep 24\, 2026\nTime: 5:36 AM\nDuration: 4 minutes\nMaximu
 m elevation: 38°\nApproach: WNW\nDeparture: SSE\nBrightness: no brighter 
 than a faint star\, magnitude 2.1\nPass times computed on Sep 18\, 2026\, 
 3:59 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:BlueWalker 3 over Chicago\, up to 38°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-25T02:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260925T013243Z
DTEND:20260925T013543Z
SUMMARY:ISS over Chicago\, up to 68°
DESCRIPTION:Date: Sep 24\, 2026\nTime: 8:32 PM\nDuration: 3 minutes\nMaximu
 m elevation: 68°\nApproach: NW\nDeparture: NW\nBrightness: as bright as V
 enus\, magnitude -3.5\nPass times computed on Sep 18\, 2026\, 3:59 PM from
  NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 68°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-25T02
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260925T013252Z
DTEND:20260925T013628Z
SUMMARY:Terra over Chicago\, up to 47°
DESCRIPTION:Date: Sep 24\, 2026\nTime: 8:32 PM\nDuration: 4 minutes\nMaximu
 m elevation: 47°\nApproach: E\nDeparture: N\nBrightness: no brighter than
  a faint star\, magnitude 1.9\nPass times computed on Sep 18\, 2026\, 3:59
  PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 47°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/bluewalker-3/2026-0
 9-25T10:00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260925T100112Z
DTEND:20260925T100313Z
SUMMARY:BlueWalker 3 over Chicago\, up to 51°
DESCRIPTION:Date: Sep 25\, 2026\nTime: 5:01 AM\nDuration: 2 minutes\nMaximu
 m elevation: 51°\nApproach: SSW\nDeparture: SSE\nBrightness: no brighter 
 than a faint star\, magnitude 1.8\nPass times computed on Sep 18\, 2026\, 
 3:59 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:BlueWalker 3 over Chicago\, up to 51°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-26T01
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260926T003334Z
DTEND:20260926T003710Z
SUMMARY:Terra over Chicago\, up to 14°
DESCRIPTION:Date: Sep 25\, 2026\nTime: 7:33 PM\nDuration: 4 minutes\nMaximu
 m elevation: 14°\nApproach: E\nDeparture: NNE\nBrightness: no brighter th
 an a faint star\, magnitude 3.4\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 14°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-26T01:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260926T004515Z
DTEND:20260926T005014Z
SUMMARY:ISS over Chicago\, up to 53°
DESCRIPTION:Date: Sep 25\, 2026\nTime: 7:45 PM\nDuration: 5 minutes\nMaximu
 m elevation: 53°\nApproach: NW\nDeparture: E\nBrightness: as bright as Ve
 nus\, magnitude -3.7\nPass times computed on Sep 18\, 2026\, 3:59 PM from 
 NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 53°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-26T02
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260926T021211Z
DTEND:20260926T021433Z
SUMMARY:Terra over Chicago\, up to 66°
DESCRIPTION:Date: Sep 25\, 2026\nTime: 9:12 PM\nDuration: 2 minutes\nMaximu
 m elevation: 66°\nApproach: WNW\nDeparture: NNW\nBrightness: no brighter 
 than a faint star\, magnitude 2\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 66°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-26T02:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260926T022240Z
DTEND:20260926T022314Z
SUMMARY:ISS over Chicago\, up to 13°
DESCRIPTION:Date: Sep 25\, 2026\nTime: 9:22 PM\nDuration: 1 minute\nMaximum
  elevation: 13°\nApproach: W\nDeparture: W\nBrightness: as bright as the 
 brightest stars\, magnitude -0.1\nPass times computed on Sep 18\, 2026\, 3
 :59 PM from NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 13°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/aqua/2026-09-26T10:
 00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260926T095841Z
DTEND:20260926T100030Z
SUMMARY:Aqua over Chicago\, up to 83°
DESCRIPTION:Date: Sep 26\, 2026\nTime: 4:58 AM\nDuration: 2 minutes\nMaximu
 m elevation: 83°\nApproach: NNE\nDeparture: S\nBrightness: no brighter th
 an a faint star\, magnitude 3.7\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 16 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Aqua over Chicago\, up to 83°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-27T01
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260927T011253Z
DTEND:20260927T011627Z
SUMMARY:Terra over Chicago\, up to 30°
DESCRIPTION:Date: Sep 26\, 2026\nTime: 8:12 PM\nDuration: 4 minutes\nMaximu
 m elevation: 30°\nApproach: ENE\nDeparture: NNE\nBrightness: no brighter 
 than a faint star\, magnitude 2.5\nPass times computed on Sep 18\, 2026\, 
 3:59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 30°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-27T02:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260927T013508Z
DTEND:20260927T013811Z
SUMMARY:ISS over Chicago\, up to 32°
DESCRIPTION:Date: Sep 26\, 2026\nTime: 8:35 PM\nDuration: 3 minutes\nMaximu
 m elevation: 32°\nApproach: WNW\nDeparture: SW\nBrightness: as bright as 
 Jupiter\, magnitude -2.3\nPass times computed on Sep 18\, 2026\, 3:59 PM f
 rom NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 32°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/iss/2026-09-28T01:0
 0Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260928T004750Z
DTEND:20260928T005314Z
SUMMARY:ISS over Chicago\, up to 55°
DESCRIPTION:Date: Sep 27\, 2026\nTime: 7:47 PM\nDuration: 5 minutes\nMaximu
 m elevation: 55°\nApproach: WNW\nDeparture: SSE\nBrightness: as bright as
  Venus\, magnitude -3.3\nPass times computed on Sep 18\, 2026\, 3:59 PM fr
 om NASA’s ephemeris\, then 5 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:ISS over Chicago\, up to 55°
END:VALARM
END:VEVENT
BEGIN:VEVENT
UID:tag:orbinauts.com,2026:places/united-states/chicago/terra/2026-09-28T02
 :00Z
DTSTAMP:20260918T205953Z
LAST-MODIFIED:20260918T205953Z
DTSTART:20260928T015212Z
DTEND:20260928T015456Z
SUMMARY:Terra over Chicago\, up to 67°
DESCRIPTION:Date: Sep 27\, 2026\nTime: 8:52 PM\nDuration: 3 minutes\nMaximu
 m elevation: 67°\nApproach: NNE\nDeparture: N\nBrightness: no brighter th
 an a faint star\, magnitude 1.7\nPass times computed on Sep 18\, 2026\, 3:
 59 PM from Space-Track orbital elements\, then 13 hours old.
LOCATION:Chicago\, United States
GEO:41.848;-87.6352
URL:https://orbinauts.com/places/united-states/chicago
BEGIN:VALARM
ACTION:DISPLAY
TRIGGER:-PT10M
DESCRIPTION:Terra over Chicago\, up to 67°
END:VALARM
END:VEVENT
END:VCALENDAR