Key statistics
Satellite COSMOS 397 at a glance.
Uptime
19911
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: 112.955 minutes
Inclination: 65.7258 deg
SMA: 7740.415 km
Apoapsis: 2157.153 km
Periapsis: 567.406 km
RAAN: 11.8904 deg
Eccentricy: 0.10269134
Argument of periapsis: 352.1402 deg
Mean anomaly: 6.4512 deg
Mean motion: 12.74842155 rev/day
Mean motion (dot): -0.00000006 rev/day2
B* drag term: 0.000033918223 1/REarth
Two-line elements (TLE)
Creation date: Aug. 31, 2025, 2:26 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 30, 2025, 5:04 p.m. UTC
TLE line 0: 0 COSMOS 397
TLE line 1: 1 04964U 71015A 25242.71165710 -.00000006 00000-0 33918-4 0 9995
TLE line 2: 2 04964 65.7258 11.8904 1026913 352.1402 6.4512 12.74842155631221
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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