Key statistics
Satellite COSMOS 1857 at a glance.
Uptime
13904
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: 74.0029 deg
SMA: 7824.835 km
Apoapsis: 1477.125 km
Periapsis: 1416.276 km
RAAN: 252.9588 deg
Eccentricy: 0.0038882
Argument of periapsis: 325.3727 deg
Mean anomaly: 34.4795 deg
Mean motion: 12.54266844 rev/day
Mean motion (dot): 0.00000008 rev/day2
B* drag term: 0.0001506 1/REarth
Two-line elements (TLE)
Creation date: July 9, 2025, 2:22 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 8, 2025, 1:54 p.m. UTC
TLE line 0: 0 COSMOS 1857
TLE line 1: 1 18118U 87051F 25189.57965681 .00000008 00000-0 15060-3 0 9995
TLE line 2: 2 18118 74.0029 252.9588 0038882 325.3727 34.4795 12.54266844742692
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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