Key statistics
Satellite COSMOS 1855 at a glance.
Uptime
14062
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 1855.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1855
International designator: 1987-051D
Object number (NORAD): 18116
Object ID (CCSDS): 18116
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.133 minutes
Inclination: 74.0011 deg
SMA: 7839.581 km
Apoapsis: 1477.167 km
Periapsis: 1445.724 km
RAAN: 164.3438 deg
Eccentricy: 0.00200541
Argument of periapsis: 232.8698 deg
Mean anomaly: 239.9495 deg
Mean motion: 12.50729855 rev/day
Mean motion (dot): 0.0000001 rev/day2
B* drag term: 0.00016969701 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 6:24 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 14, 2025, 5:19 a.m. UTC
TLE line 0: 0 COSMOS 1855
TLE line 1: 1 18116U 87051D 25348.22202846 .00000010 00000-0 16970-3 0 9993
TLE line 2: 2 18116 74.0011 164.3438 0020054 232.8698 239.9495 12.50729855757688
Live tracking on map
Real-time ground track for satellite COSMOS 1855.
In-orbit conjunctions
There are no conjunctions computed for COSMOS 1855, 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 1855 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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