Key statistics
Satellite COSMOS 877 at a glance.
Uptime
17745
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: 74.0316 deg
SMA: 7837.06 km
Apoapsis: 1463.713 km
Periapsis: 1454.136 km
RAAN: 8.6147 deg
Eccentricy: 0.000611
Argument of periapsis: 8.4757 deg
Mean anomaly: 102.4871 deg
Mean motion: 12.51333336 rev/day
Mean motion (dot): -0.00000001 rev/day2
B* drag term: 0.000094146 1/REarth
Two-line elements (TLE)
Creation date: July 8, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 9:54 p.m. UTC
TLE line 0: 0 COSMOS 877
TLE line 1: 1 09594U 76118G 25188.91291406 -.00000001 00000-0 94146-4 0 9996
TLE line 2: 2 09594 74.0316 8.6147 0006110 8.4757 102.4871 12.51333336219189
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
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