Key statistics
Satellite COSMOS 877 at a glance.
Uptime
17808
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 877.
Object identification
Identified? True
Debris? False
Object name: COSMOS 877
International designator: 1976-118G
Object number (NORAD): 9594
Object ID (CCSDS): 9594
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.077 minutes
Inclination: 74.0287 deg
SMA: 7837.056 km
Apoapsis: 1464.383 km
Periapsis: 1453.458 km
RAAN: 285.1262 deg
Eccentricy: 0.00069704
Argument of periapsis: 277.1977 deg
Mean anomaly: 199.7937 deg
Mean motion: 12.5133435 rev/day
Mean motion (dot): 0.00000004 rev/day2
B* drag term: 0.00012630264 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 6:18 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 2:07 p.m. UTC
TLE line 0: 0 COSMOS 877
TLE line 1: 1 09594U 76118G 25251.58837307 .00000004 00000-0 12630-3 0 9995
TLE line 2: 2 09594 74.0287 285.1262 0006970 277.1977 199.7937 12.51334350227020
Live tracking on map
Real-time ground track for satellite COSMOS 877.
Associated space launch
Military communications satellites
COSMOS 877 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 121-128’, on board a Kosmos-3M space rocket.
The launch took place on Dec. 7, 1976, 10:23 a.m. from 132/1 (132L).
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 121-128
Agency: N/A
Status: Launch Successful
Launch date: Dec. 7, 1976, 10:23 a.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.
