COSMOS 1900 DEB

Satellite information

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Satellite Type and Status

DEBRISIN ORBIT

Key statistics

Satellite COSMOS 1900 DEB at a glance.

Uptime

13825

Days in orbit

Revolutions

≈ 14.6

Per day

Orbit

LEO

Low Earth Orbit

Inclination

66.1

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 1900 DEB.

Object identification

Identified? True

Debris? True

Object name: COSMOS 1900 DEB

International designator: 1987-101E

Object number (NORAD): 43500

Object ID (CCSDS): 43500

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 98.62 minutes

Inclination: 66.085 deg

SMA: 7070.821 km

Apoapsis: 722.254 km

Periapsis: 663.118 km

RAAN: 316.6987 deg

Eccentricy: 0.00418169

Argument of periapsis: 243.995 deg

Mean anomaly: 134.0277 deg

Mean motion: 14.60151764 rev/day

Mean motion (dot): 0.00001108 rev/day²

B* drag term: 0.0002491464 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 13, 2025, 6:48 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 13, 2025, 8:56 a.m. UTC

TLE line 0: 0 COSMOS 1900 DEB

TLE line 1: 1 43500U 87101E 25286.37249943 .00001108 00000-0 24915-3 0 9997

TLE line 2: 2 43500 66.0850 316.6987 0041817 243.9950 134.0277 14.60151764632530

Live tracking on map

Real-time ground track for satellite COSMOS 1900 DEB.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 1900 DEB.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
DELTA 1 DEB	SSO	2025-01-05 16:53:20	0.0004231195	75.0 (m)	DEBRIS
CZ-6A DEB	SSO	2024-11-15 19:57:38	0.0001062516	339.0 (m)	DEBRIS
DMSP 5D-2 F11 DEB	SSO	2024-11-10 04:30:37	0.0004117728	886.0 (m)	DEBRIS

Associated space launch

Active radar satellite for ocean surveillance powered by a nuclear reactor.

COSMOS 1900 DEB was lifted into orbit during the mission ‘Tsiklon-2 | US-A 31’, on board a Tsiklon-2 space rocket.

The launch took place on Dec. 12, 1987, 5:40 a.m. from 90.

For more information about the launch, click the button.

Tsiklon-2 | US-A 31

Agency: N/A

Status: Launch Successful

Launch date: Dec. 12, 1987, 5:40 a.m. UTC

Rocket: Tsiklon-2

Launch pad: 90

Location: Baikonur Cosmodrome, Republic of Kazakhstan

...

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