COSMOS 887

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 887 at a glance.

Uptime

17831

Days in orbit

Revolutions

≈ 13.8

Per day

Orbit

LEO

Low Earth Orbit

Inclination

82.9

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 887.

Object identification

Identified? True

Debris? False

Object name: COSMOS 887

International designator: 1976-128A

Object number (NORAD): 9637

Object ID (CCSDS): 9637

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 104.615 minutes

Inclination: 82.9413 deg

SMA: 7354.547 km

Apoapsis: 1009.435 km

Periapsis: 943.39 km

RAAN: 337.3534 deg

Eccentricy: 0.00449013

Argument of periapsis: 188.5667 deg

Mean anomaly: 282.1858 deg

Mean motion: 13.76476583 rev/day

Mean motion (dot): 0.00000099 rev/day²

B* drag term: 0.000084511733 1/R_Earth

Two-line elements (TLE)

Creation date: Oct. 23, 2025, 2:46 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 22, 2025, 12:44 p.m. UTC

TLE line 0: 0 COSMOS 887

TLE line 1: 1 09637U 76128A 25295.53096527 .00000099 00000-0 84512-4 0 9991

TLE line 2: 2 09637 82.9413 337.3534 0044901 188.5667 282.1858 13.76476583450992

Live tracking on map

Real-time ground track for satellite COSMOS 887.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 887.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
NIMBUS 2 DEB	SSO	2025-10-10 05:46:01	0.0001000893	442.0 (m)	DEBRIS
SCOUT A DEB	SSO	2025-09-07 13:37:46	0.0001316778	116.0 (m)	DEBRIS
SL-12 DEB	LEO	2024-12-24 13:28:55	0.0009669178	175.0 (m)	DEBRIS
FENGYUN 1C DEB	SSO	2024-12-24 11:47:50	0.001512397	148.0 (m)	DEBRIS
CZ-6A DEB	SSO	2024-06-20 07:26:32	0.0004314156	756.0 (m)	DEBRIS

Associated space launch

Molniya communication satellites operating from a highly elliptical orbit

COSMOS 887 was lifted into orbit during the mission ‘Molniya-M | Molniya-3 17L’, on board a Molniya-M space rocket.

The launch took place on Dec. 28, 1976, 6:38 a.m. from 43/4 (43R).

For more information about the launch, click the button.

Molniya-M | Molniya-3 17L

Agency: N/A

Status: Launch Successful

Launch date: Dec. 28, 1976, 6:38 a.m. UTC

Rocket: Molniya-M

Launch pad: 43/4 (43R)

Location: Plesetsk Cosmodrome, Russian Federation

...

Go to the launch

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