Key statistics
Satellite COSMOS 1856 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 1856.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1856
International designator: 1987-051E
Object number (NORAD): 18117
Object ID (CCSDS): 18117
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.968 minutes
Inclination: 74.0013 deg
SMA: 7832.081 km
Apoapsis: 1477.673 km
Periapsis: 1430.22 km
RAAN: 227.8742 deg
Eccentricy: 0.00302938
Argument of periapsis: 301.714 deg
Mean anomaly: 130.3336 deg
Mean motion: 12.52526635 rev/day
Mean motion (dot): -0.00000024 rev/day2
B* drag term: -0.000046513762 1/REarth
Two-line elements (TLE)
Creation date: Sept. 10, 2025, 5:35 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 10, 2025, 9:04 a.m. UTC
TLE line 0: 0 COSMOS 1856
TLE line 1: 1 18117U 87051E 25253.37790579 -.00000024 00000-0 -46514-4 0 9995
TLE line 2: 2 18117 74.0013 227.8742 0030294 301.7140 130.3336 12.52526635748321
Live tracking on map
Real-time ground track for satellite COSMOS 1856.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 1856, 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 1856 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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