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

19962

Days in orbit

Revolutions

≈ 14.1

Per day

Orbit

LEO

Low Earth Orbit

Inclination

66.9

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: 1971-015BR

Object number (NORAD): 5527

Object ID (CCSDS): 5527

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 101.804 minutes

Inclination: 66.8676 deg

SMA: 7222.212 km

Apoapsis: 897.86 km

Periapsis: 790.294 km

RAAN: 165.6204 deg

Eccentricy: 0.0074469

Argument of periapsis: 146.4295 deg

Mean anomaly: 214.1549 deg

Mean motion: 14.14482059 rev/day

Mean motion (dot): 0.00002712 rev/day²

B* drag term: 0.0014164353 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 20, 2025, 2:10 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 19, 2025, 11:34 p.m. UTC

TLE line 0: 0 COSMOS 397 DEB *

TLE line 1: 1 05527U 71015BR 25292.98234992 .00002712 00000-0 14164-2 0 9999

TLE line 2: 2 05527 66.8676 165.6204 0074469 146.4295 214.1549 14.14482059756445

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
COSMOS 2251 DEB	LEO	2025-09-04 19:55:59	0.0001528563	214.0 (m)	DEBRIS
OPAL	SSO	2025-08-29 21:27:17	0.0001045704	380.0 (m)	PAYLOAD
FENGYUN 1C DEB	SSO	2025-04-28 11:06:16	0.0001079463	122.0 (m)	DEBRIS
PORCUPINE 1	LEO	2025-03-30 05:16:39	0.000144564	165.0 (m)	PAYLOAD
CZ-6A DEB	LEO	2025-02-03 09:50:57	0.0001336086	365.0 (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.

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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