Key statistics
Satellite COSMOS 951 DEB at a glance.
Uptime
17567
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 951 DEB.
Object identification
Identified? True
Debris? True
Object name: COSMOS 951 DEB
International designator: 1977-087D
Object number (NORAD): 37236
Object ID (CCSDS): 37236
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 104.327 minutes
Inclination: 82.9698 deg
SMA: 7341.042 km
Apoapsis: 987.054 km
Periapsis: 938.759 km
RAAN: 334.4508 deg
Eccentricy: 0.00328939
Argument of periapsis: 260.7004 deg
Mean anomaly: 265.1159 deg
Mean motion: 13.80276959 rev/day
Mean motion (dot): 0.00000976 rev/day2
B* drag term: 0.00091805933 1/REarth
Two-line elements (TLE)
Creation date: Oct. 18, 2025, 2:17 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 17, 2025, 2:42 p.m. UTC
TLE line 0: 0 COSMOS 951 DEB
TLE line 1: 1 37236U 77087D 25290.61308103 .00000976 00000-0 91806-3 0 9999
TLE line 2: 2 37236 82.9698 334.4508 0032894 260.7004 265.1159 13.80276959412687
Live tracking on map
Real-time ground track for satellite COSMOS 951 DEB.
Associated space launch
The soviet Zenit-2M (Gektor, 11F690) was an improved version of the Zenit-2 area surveillance reconnaissance satellite. It was part of the Vostok-based Zenit-family.
COSMOS 951 DEB was lifted into orbit during the mission ‘Soyuz U | Zenit-2M 81’, on board a Soyuz U space rocket.
The launch took place on Sept. 13, 1977, 3:10 p.m. from 43/3 (43L).
For more information about the launch, click the button.

Soyuz U | Zenit-2M 81
Agency: N/A
Status: Launch Successful
Launch date: Sept. 13, 1977, 3:10 p.m. UTC
Rocket: Soyuz U
Launch pad: 43/3 (43L)
Location: Plesetsk Cosmodrome, Russian Federation
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