Key statistics
Satellite COSMOS 1857 at a glance.
Uptime
13967
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: 74.0052 deg
SMA: 7824.831 km
Apoapsis: 1477.14 km
Periapsis: 1416.252 km
RAAN: 167.2535 deg
Eccentricy: 0.00389066
Argument of periapsis: 230.0439 deg
Mean anomaly: 129.7194 deg
Mean motion: 12.54267935 rev/day
Mean motion (dot): 0.00000005 rev/day2
B* drag term: 0.00013197586 1/REarth
Two-line elements (TLE)
Creation date: Sept. 11, 2025, 3:57 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 10, 2025, 11:06 a.m. UTC
TLE line 0: 0 COSMOS 1857
TLE line 1: 1 18118U 87051F 25253.46300465 .00000005 00000-0 13198-3 0 9995
TLE line 2: 2 18118 74.0052 167.2535 0038907 230.0439 129.7194 12.54267935750702
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
There are no fresh news available about this satellite. Check back as we update our databases every day.
Newsletter sign-up
Weekly statistics, charts and insights to help you stay on top of the space industry.
