Key statistics
Satellite COSMOS 397 at a glance.
Uptime
19960
Days in orbit
Revolutions
≈ 12.7
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
65.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 397.
Object identification
Identified? True
Debris? False
Object name: COSMOS 397
International designator: 1971-015A
Object number (NORAD): 4964
Object ID (CCSDS): 4964
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 112.953 minutes
Inclination: 65.7213 deg
SMA: 7740.318 km
Apoapsis: 2159.395 km
Periapsis: 564.971 km
RAAN: 267.2276 deg
Eccentricy: 0.10299477
Argument of periapsis: 332.4062 deg
Mean anomaly: 22.569 deg
Mean motion: 12.74866049 rev/day
Mean motion (dot): 0.00000453 rev/day2
B* drag term: 0.00024618058 1/REarth
Two-line elements (TLE)
Creation date: Oct. 19, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 18, 2025, 11:25 p.m. UTC
TLE line 0: 0 COSMOS 397
TLE line 1: 1 04964U 71015A 25291.97588874 .00000453 00000-0 24618-3 0 9998
TLE line 2: 2 04964 65.7213 267.2276 1029948 332.4062 22.5690 12.74866049637506
Live tracking on map
Real-time ground track for satellite COSMOS 397.
Associated space launch
The I2P satellites were the first soviet coorbital ASAT system.
COSMOS 397 was lifted into orbit during the mission ‘Tsiklon-2 | I2P 6’, on board a Tsiklon-2 space rocket.
The launch took place on Feb. 25, 1971, 11:11 a.m. from 90/20.
For more information about the launch, click the button.
Tsiklon-2 | I2P 6
Agency: N/A
Status: Launch Successful
Launch date: Feb. 25, 1971, 11:11 a.m. UTC
Rocket: Tsiklon-2
Launch pad: 90/20
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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