- COSMOS 637
- NORAD 7229
- 1974-017A
- Medium Earth orbit
Current orbit
View on live mapOrbit began over the Pacific Ocean
Orbit ends over the Pacific Ocean
In view from you
Nobody watches Kosmos-637 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 Kosmos-637, 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 too faint to see with the naked eye from anywhere on Earth.
Timeline
- Launch
Launched, on the day GCAT records. Source
Summary
Over the Pacific Ocean LIVE
Where is Kosmos-637?
At 8:25:22 PM UTC Kosmos-637 was over the Pacific Ocean (0.3° N, 83.6° W), 35,569 km up, moving at 3.09 km/s and in sunlight.
What is Kosmos-637?
A satellite in medium Earth orbit, in space since Mar 26, 1974.
Can I see Kosmos-637?
No, not with the naked eye: no brightness has been published for Kosmos-637, and nothing here estimates one.
General
- Operator
- OKB-10 (Reshetnev)
- State
- Union of Soviet Socialist Republics
- Built by
- OKB-10 (Reshetnev)
- Launched
- Mass
- about 2 t
- Operating
- Orbit class
- Medium Earth orbit
From GCAT, Jonathan McDowell’s general catalogue, licensed CC BY 4.0: the operator, the state, the manufacturer, the launch day, the mass, and whether it is operating. The orbit class is read from its current elements.
Latest orbital data
- Position received
- 8:25 PM UTC
- Station time (UTC)
- 8:25 PM UTC
- Latitude / longitude
- 0.3° N, 83.6° W
- Altitude
- 35,569 km
- Speed
- 3.09 km/s (11,106 km/h)
- Course
- north-east
- Light
- In sunlight
- Inclination
- 0.5°
- Orbital period
- 1,428.8 minutes
- Orbits per day
- 1.01
- This orbit
- 35,483 to 35,806 km
- In shadow
- None of this orbit
- In view from
- Within 7,940 km of the point below it
- Elements epoch
- Nov 8, 2026, 7:12 AM, 13 hours old
- Source
- Position from Space-Track orbital elements of Nov 8, 2026, 7:12 AM, 13 hours old.
No operator publishes an ephemeris for Kosmos-637, so every position here comes from its orbital elements.
In orbit
- Close approaches
- No close approach to Kosmos-637 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
Kosmos-637 shares its launch, 1974-017, with one other body the catalogue lists in orbit.
| Body | What it is |
|---|---|
| SL-12 R/B(2) | Rocket body |
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, 7:12 AM, 13 hours old.
{
"OBJECT_NAME": "COSMOS 637",
"OBJECT_ID": "1974-017A",
"EPOCH": "2026-11-08T07:12:08.072352",
"MEAN_MOTION": 1.00784541,
"ECCENTRICITY": 0.00383191,
"INCLINATION": 0.4898,
"RA_OF_ASC_NODE": 236.7304,
"ARG_OF_PERICENTER": 96.585,
"MEAN_ANOMALY": 98.0569,
"EPHEMERIS_TYPE": 0,
"CLASSIFICATION_TYPE": "U",
"NORAD_CAT_ID": 7229,
"ELEMENT_SET_NO": 999,
"REV_AT_EPOCH": 12365,
"BSTAR": 0,
"MEAN_MOTION_DOT": -0.00000247,
"MEAN_MOTION_DDOT": 0
}