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

19914

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: 101.827 minutes

Inclination: 66.8724 deg

SMA: 7223.299 km

Apoapsis: 901.773 km

Periapsis: 788.554 km

RAAN: 286.4758 deg

Eccentricy: 0.0078371

Argument of periapsis: 185.6466 deg

Mean anomaly: 174.375 deg

Mean motion: 14.14162772 rev/day

Mean motion (dot): 0.00005909 rev/day²

B* drag term: 0.0030459279 1/R_Earth

Two-line elements (TLE)

Creation date: Sept. 2, 2025, 11:42 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Sept. 2, 2025, 5:58 a.m. UTC

TLE line 0: 0 COSMOS 397 DEB *

TLE line 1: 1 05527U 71015BR 25245.24922921 .00005909 00000-0 30459-2 0 9998

TLE line 2: 2 05527 66.8724 286.4758 0078371 185.6466 174.3750 14.14162772749693

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
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
METEOR M2-3 DEB	SSO	2024-12-22 01:28:38	0.006357194	53.0 (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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