Key statistics
Satellite COSMOS 651 at a glance.
Uptime
18680
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
LEO
Low Earth Orbit
Inclination
65.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 651.
Object identification
Identified? True
Debris? False
Object name: COSMOS 651
International designator: 1974-029A
Object number (NORAD): 7291
Object ID (CCSDS): 7291
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 103.369 minutes
Inclination: 64.9699 deg
SMA: 7296.031 km
Apoapsis: 947.407 km
Periapsis: 888.385 km
RAAN: 146.8566 deg
Eccentricy: 0.0040448
Argument of periapsis: 198.9001 deg
Mean anomaly: 161.0565 deg
Mean motion: 13.93069323 rev/day
Mean motion (dot): -0.00000068 rev/day2
B* drag term: 0.000017513 1/REarth
Two-line elements (TLE)
Creation date: July 5, 2025, 5:45 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 5, 2025, 7:07 a.m. UTC
TLE line 0: 0 COSMOS 651
TLE line 1: 1 07291U 74029A 25186.29668416 -.00000068 00000-0 17513-4 0 9991
TLE line 2: 2 07291 64.9699 146.8566 0040448 198.9001 161.0565 13.93069323602391
Live tracking on map
Real-time ground track for satellite COSMOS 651.
In-orbit conjunctions
A list of the most updated potential collisions computed for object COSMOS 651.
Associated space launch
High resolution optical reconnaissance satellite of the Vostok-based Zenit family.
COSMOS 651 was lifted into orbit during the mission ‘Soyuz U | Zenit-4MK 25’, on board a Soyuz U space rocket.
The launch took place on May 15, 1974, 8:30 a.m. from 31/6.
For more information about the launch, click the button.

Soyuz U | Zenit-4MK 25
Agency: N/A
Status: Launch Successful
Launch date: May 15, 1974, 8:30 a.m. UTC
Rocket: Soyuz U
Launch pad: 31/6
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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