Key statistics
Satellite COSMOS 1891 at a glance.
Uptime
13883
Days in orbit
Revolutions
≈ 13.7
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1891.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1891
International designator: 1987-087A
Object number (NORAD): 18402
Object ID (CCSDS): 18402
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.811 minutes
Inclination: 82.9254 deg
SMA: 7363.717 km
Apoapsis: 1023.461 km
Periapsis: 947.704 km
RAAN: 35.5693 deg
Eccentricy: 0.00514399
Argument of periapsis: 116.1375 deg
Mean anomaly: 244.5085 deg
Mean motion: 13.73906213 rev/day
Mean motion (dot): 0.00000071 rev/day2
B* drag term: 0.000058666556 1/REarth
Two-line elements (TLE)
Creation date: Oct. 16, 2025, 6:34 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 16, 2025, 1:58 p.m. UTC
TLE line 0: 0 COSMOS 1891
TLE line 1: 1 18402U 87087A 25289.58222146 .00000071 00000-0 58667-4 0 9995
TLE line 2: 2 18402 82.9254 35.5693 0051440 116.1375 244.5085 13.73906213905159
Live tracking on map
Real-time ground track for satellite COSMOS 1891.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
COSMOS 1891 was lifted into orbit during the mission ‘Kosmos-3M | Parus 60’, on board a Kosmos-3M space rocket.
The launch took place on Oct. 14, 1987, 12:35 p.m. from 133/3 (133L).
For more information about the launch, click the button.
Kosmos-3M | Parus 60
Agency: N/A
Status: Launch Successful
Launch date: Oct. 14, 1987, 12:35 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 133/3 (133L)
Location: Plesetsk Cosmodrome, Russian Federation
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