Key statistics
Satellite COSMOS 397 DEB * at a glance.
Uptime
19912
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
LEO
Low Earth Orbit
Inclination
66.8
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: 1971-015BT
Object number (NORAD): 5529
Object ID (CCSDS): 5529
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.937 minutes
Inclination: 66.8425 deg
SMA: 7133.635 km
Apoapsis: 795.299 km
Periapsis: 715.701 km
RAAN: 50.6191 deg
Eccentricy: 0.00557905
Argument of periapsis: 307.791 deg
Mean anomaly: 51.815 deg
Mean motion: 14.40908515 rev/day
Mean motion (dot): 0.00003315 rev/day2
B* drag term: 0.0010389671 1/REarth
Two-line elements (TLE)
Creation date: Sept. 1, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 31, 2025, 5:35 p.m. UTC
TLE line 0: 0 COSMOS 397 DEB *
TLE line 1: 1 05529U 71015BT 25243.73281746 .00003315 00000-0 10390-2 0 9996
TLE line 2: 2 05529 66.8425 50.6191 0055790 307.7910 51.8150 14.40908515817620
Live tracking on map
Real-time ground track for satellite COSMOS 397 DEB *.
In-orbit conjunctions
A list of the most updated potential collisions computed for object 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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