Key statistics
Satellite COSMOS 1857 at a glance.
Uptime
13846
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1857.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1857
International designator: 1987-051F
Object number (NORAD): 18118
Object ID (CCSDS): 18118
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.808 minutes
Inclination: 74.0042 deg
SMA: 7824.839 km
Apoapsis: 1476.515 km
Periapsis: 1416.893 km
RAAN: 329.4674 deg
Eccentricy: 0.0038098
Argument of periapsis: 52.0125 deg
Mean anomaly: 308.4358 deg
Mean motion: 12.54265956 rev/day
Mean motion (dot): 0.0 rev/day2
B* drag term: 0.000099091 1/REarth
Two-line elements (TLE)
Creation date: May 12, 2025, 7:41 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 12, 2025, 1:19 p.m. UTC
TLE line 0: 0 COSMOS 1857
TLE line 1: 1 18118U 87051F 25132.55525908 .00000000 00000-0 99091-4 0 9994
TLE line 2: 2 18118 74.0042 329.4674 0038098 52.0125 308.4358 12.54265956735546
Live tracking on map
Real-time ground track for satellite COSMOS 1857.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 1857, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Military communications satellites
COSMOS 1857 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 321-328’, on board a Kosmos-3M space rocket.
The launch took place on June 16, 1987, 5:51 p.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 321-328
Agency: N/A
Status: Launch Successful
Launch date: June 16, 1987, 5:51 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/1 (132L)
Location: Plesetsk Cosmodrome, Russian Federation
...
Latest news about this satellite
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