COSMOS 890

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 890 at a glance.

Uptime

17813

Days in orbit

Revolutions

≈ 13.7

Per day

Orbit

LEO

Low Earth Orbit

Inclination

83.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 890.

Object identification

Identified? True

Debris? False

Object name: COSMOS 890

International designator: 1977-004A

Object number (NORAD): 9737

Object ID (CCSDS): 9737

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 104.964 minutes

Inclination: 82.9604 deg

SMA: 7370.891 km

Apoapsis: 1011.498 km

Periapsis: 974.014 km

RAAN: 336.0663 deg

Eccentricy: 0.00254271

Argument of periapsis: 208.9284 deg

Mean anomaly: 260.2627 deg

Mean motion: 13.71901121 rev/day

Mean motion (dot): 0.00000057 rev/day²

B* drag term: 0.000046095959 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 28, 2025, 2:18 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 27, 2025, 12:45 p.m. UTC

TLE line 0: 0 COSMOS 890

TLE line 1: 1 09737U 77004A 25300.53161449 .00000057 00000-0 46096-4 0 9998

TLE line 2: 2 09737 82.9604 336.0663 0025427 208.9284 260.2627 13.71901121440433

Live tracking on map

Real-time ground track for satellite COSMOS 890.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 890.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
NIMBUS 2 DEB	SSO	2025-08-30 01:41:45	0.0001006052	625.0 (m)	DEBRIS
COSMOS 839 DEB	MEO	2024-09-05 01:08:16	0.0003062027	486.0 (m)	DEBRIS

Associated space launch

The first soviet navigation system called Tsiklon consisted of Zaliv satellites in low earth orbit.

COSMOS 890 was lifted into orbit during the mission ‘Kosmos-3M | Zaliv 23’, on board a Kosmos-3M space rocket.

The launch took place on Jan. 20, 1977, 8:05 p.m. from 132/1 (132L).

For more information about the launch, click the button.

Kosmos-3M | Zaliv 23

Agency: N/A

Status: Launch Successful

Launch date: Jan. 20, 1977, 8:05 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/1 (132L)

Location: Plesetsk Cosmodrome, Russian Federation

...

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