COSMOS 397 DEB

Satellite information

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Satellite Type and Status

DEBRISIN ORBIT

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.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 397 DEB.

Target Orbit TCA Probability of collision Miss distance Type
SL-8 DEB * LEO 2025-05-25 21:43:31 0.0001016269 401.0 (m) DEBRIS

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.

Launch to space Tsiklon-2 | I2P 6
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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