Key statistics
Satellite COSMOS 397 DEB at a glance.
Uptime
19976
Days in orbit
Revolutions
≈ 14.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
65.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 397 DEB.
Object identification
Identified? True
Debris? True
Object name: COSMOS 397 DEB
International designator: 1971-015AJ
Object number (NORAD): 5155
Object ID (CCSDS): 5155
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.03 minutes
Inclination: 65.3544 deg
SMA: 7090.407 km
Apoapsis: 917.308 km
Periapsis: 507.237 km
RAAN: 258.1702 deg
Eccentricy: 0.02891733
Argument of periapsis: 95.0332 deg
Mean anomaly: 268.3839 deg
Mean motion: 14.54105741 rev/day
Mean motion (dot): 0.0001034 rev/day2
B* drag term: 0.0014092374 1/REarth
Two-line elements (TLE)
Creation date: Nov. 2, 2025, 5:34 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 2, 2025, 5:02 a.m. UTC
TLE line 0: 0 COSMOS 397 DEB
TLE line 1: 1 05155U 71015AJ 25306.21036114 .00010340 00000-0 14092-2 0 9990
TLE line 2: 2 05155 65.3544 258.1702 0289173 95.0332 268.3839 14.54105741714667
Live tracking on map
Real-time ground track for satellite COSMOS 397 DEB.
Associated space launch
The I2P satellites were the first soviet coorbital ASAT system.
COSMOS 397 DEB 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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