Key statistics
Satellite COSMOS 873 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 873.
Object identification
Identified? True
Debris? False
Object name: COSMOS 873
International designator: 1976-118C
Object number (NORAD): 9590
Object ID (CCSDS): 9590
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 115.532 minutes
Inclination: 74.0309 deg
SMA: 7857.678 km
Apoapsis: 1495.944 km
Periapsis: 1463.142 km
RAAN: 141.8436 deg
Eccentricy: 0.00208726
Argument of periapsis: 316.6951 deg
Mean anomaly: 164.1786 deg
Mean motion: 12.46411426 rev/day
Mean motion (dot): 0.0000001 rev/day2
B* drag term: 0.00018024823 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, 9:25 a.m. UTC
TLE line 0: 0 COSMOS 873
TLE line 1: 1 09590U 76118C 25251.39300990 .00000010 00000-0 18025-3 0 9994
TLE line 2: 2 09590 74.0309 141.8436 0020873 316.6951 164.1786 12.46411426218247
Live tracking on map
Real-time ground track for satellite COSMOS 873.
Associated space launch
Military communications satellites
COSMOS 873 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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