- Navigation satellite
- Military
- NNSS 20 (TRANSIT 20)
- NORAD 6909
- 1973-081A
- Low Earth orbit
Current orbit
View on live mapOrbit began over the Philippines
Orbit ends over the Andaman Sea
Sunlit since
Enters the Earth’s shadow
In view from you
Nobody watches NNS 30200-16 go over, but a receiver still asks whether it is above the horizon. Say where you are and this card answers.
Your position is rounded to about a kilometre and sent only to the Orbinauts API, to find the pass.
No brightness has been published for NNS 30200-16, so it is not a naked-eye satellite and no city page carries pass times for it. Nothing here estimates one.
Seeing it
There is nothing to go outside for: it is far too high and too faint for the naked eye. What you notice of it is a position fix, and the card above says whether it is above your horizon to give you one.
Timeline
- Launch
Launched, on the day GCAT records. Source
Summary
Over Peru LIVE
Where is NNS 30200-16?
At 6:19:11 PM UTC NNS 30200-16 was over Peru (13.9° S, 72.6° W), 1,114 km up, moving at 7.24 km/s and in sunlight.
What is NNS 30200-16?
A navigation satellite in low Earth orbit, in space since Oct 30, 1973.
Can I see NNS 30200-16?
No, not with the naked eye: no brightness has been published for NNS 30200-16, and nothing here estimates one; receivers on the ground use its signals instead, whenever it is above their horizon.
General
- Operator
- USN Naval Air Systems Command (NAVAIR)
- State
- United States of America
- Built by
- RCA Astro Electronics (Astro Space)
- What it is
- Navigation satellite
- Military
- Yes: a defence organisation flies it
- Launched
- Mass
- 64 kg
- Operating
- Orbit class
- Low Earth orbit
From GCAT, Jonathan McDowell’s general catalogue, licensed CC BY 4.0: the operator, the state, the manufacturer, what it is for, that a defence organisation flies it, the launch day, the mass, and whether it is operating. The orbit class is read from its current elements.
Latest orbital data
- Position received
- 6:19 PM UTC
- Station time (UTC)
- 6:19 PM UTC
- Latitude / longitude
- 13.9° S, 72.6° W
- Altitude
- 1,114 km
- Speed
- 7.24 km/s (26,057 km/h)
- Course
- north
- Light
- In sunlight until 6:53 PM UTC
- Inclination
- 89.9°
- Orbital period
- 105 minutes
- Orbits per day
- 13.72
- This orbit
- 877 to 1,105 km
- In shadow
- 33 minutes of each orbit
- In view from
- Within 2,560 km of the point below it
- Elements epoch
- Nov 8, 2026, 7:53 AM, 10 hours old
- Source
- Position from Space-Track orbital elements of Nov 8, 2026, 7:53 AM, 10 hours old.
No operator publishes an ephemeris for NNS 30200-16, so every position here comes from its orbital elements.
In orbit
- Close approaches
- No close approach to NNS 30200-16 has been reported publicly in the past thirty days.
From Space-Track’s public conjunction messages; the latest report was issued Nov 8, 2026, 1:11 PM, 3 hours old. Only approaches serious enough to be reported publicly are listed: within three days and, for two bodies near the Earth, closer than a kilometre with a chance of a collision above 1 in 10,000, the level at which NASA moves the ISS.
Launched with
NNS 30200-16 shares its launch, 1973-081, with 4 other bodies the catalogue lists in orbit.
| Body | What it is |
|---|---|
| SCOUT A-1 R/B | Rocket body |
| SCOUT A-1 DEB | Debris |
| SCOUT A-1 DEB | Debris |
| TRANSIT 20 DEB | Debris |
Read from the international designators of the US catalogue: the year and the launch number every piece of one launch shares. A body that has come down is no longer listed.
Data and API
The current elements from Space-Track as an OMM object, epoch Nov 8, 2026, 7:53 AM, 10 hours old.
{
"OBJECT_NAME": "NNSS 20 (TRANSIT 20)",
"OBJECT_ID": "1973-081A",
"EPOCH": "2026-11-08T07:53:00.314304",
"MEAN_MOTION": 13.7154534,
"ECCENTRICITY": 0.01544977,
"INCLINATION": 89.8682,
"RA_OF_ASC_NODE": 250.183,
"ARG_OF_PERICENTER": 166.0185,
"MEAN_ANOMALY": 194.533,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 6909,
"ELEMENT_SET_NO": 999,
"REV_AT_EPOCH": 84892,
"BSTAR": 0.00014207891,
"MEAN_MOTION_DOT": 0.0000015,
"MEAN_MOTION_DDOT": 0
}