COSMOS 2251 DEB

Satellite information

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Satellite Type and Status

DEBRISIN ORBIT

Key statistics

Satellite COSMOS 2251 DEB at a glance.

Uptime

11769

Days in orbit

Revolutions

≈ 13.9

Per day

Orbit

LEO

Low Earth Orbit

Inclination

74.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 2251 DEB.

Object identification

Identified? True

Debris? True

Object name: COSMOS 2251 DEB

International designator: 1993-036AKH

Object number (NORAD): 35439

Object ID (CCSDS): 35439

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 103.444 minutes

Inclination: 74.0213 deg

SMA: 7299.587 km

Apoapsis: 1096.992 km

Periapsis: 745.913 km

RAAN: 306.4265 deg

Eccentricy: 0.02404785

Argument of periapsis: 137.8228 deg

Mean anomaly: 253.1412 deg

Mean motion: 13.92051471 rev/day

Mean motion (dot): 0.00004427 rev/day²

B* drag term: 0.0027478986 1/R_Earth

Two-line elements (TLE)

Creation date: Sept. 4, 2025, 4:29 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Sept. 3, 2025, 11:01 a.m. UTC

TLE line 0: 0 COSMOS 2251 DEB

TLE line 1: 1 35439U 93036AKH 25246.45961794 .00004427 00000-0 27479-2 0 9997

TLE line 2: 2 35439 74.0213 306.4265 0240478 137.8228 253.1412 13.92051471825652

Live tracking on map

Real-time ground track for satellite COSMOS 2251 DEB.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 2251 DEB.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
SL-8 R/B	LEO	2025-08-31 06:27:06	0.0001223597	495.0 (m)	ROCKET BODY
COSMOS 1023	LEO	2025-04-08 09:19:11	0.0002397236	691.0 (m)	PAYLOAD
THOR BURNER 2 R/B	SSO	2025-01-08 07:08:23	0.0001420576	238.0 (m)	ROCKET BODY
SCOUT G-1 DEB	SSO	2024-11-12 12:12:43	0.0001383317	244.0 (m)	DEBRIS

Associated space launch

Military communications satellite. Destroyed in a collision with Iridium 33.

COSMOS 2251 DEB was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 51’, on board a Kosmos-3M space rocket.

The launch took place on June 16, 1993, 4:17 a.m. from 132/1 (132L).

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 51

Agency: N/A

Status: Launch Successful

Launch date: June 16, 1993, 4:17 a.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/1 (132L)

Location: Plesetsk Cosmodrome, Russian Federation

...

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