COSMOS 990

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 990 at a glance.

Uptime

17305

Days in orbit

Revolutions

≈ 14.4

Per day

Orbit

LEO

Low Earth Orbit

Inclination

74.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 990.

Object identification

Identified? True

Debris? False

Object name: COSMOS 990

International designator: 1978-019A

Object number (NORAD): 10676

Object ID (CCSDS): 10676

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 100.203 minutes

Inclination: 74.0391 deg

SMA: 7146.281 km

Apoapsis: 779.319 km

Periapsis: 756.973 km

RAAN: 70.069 deg

Eccentricy: 0.0015635

Argument of periapsis: 130.6801 deg

Mean anomaly: 229.5714 deg

Mean motion: 14.37085638 rev/day

Mean motion (dot): 0.0000009 rev/day²

B* drag term: 0.000039242 1/R_Earth

Two-line elements (TLE)

Creation date: July 4, 2025, 5:36 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: July 4, 2025, 4:38 p.m. UTC

TLE line 0: 0 COSMOS 990

TLE line 1: 1 10676U 78019A 25185.69347865 .00000090 00000-0 39242-4 0 9997

TLE line 2: 2 10676 74.0391 70.0690 0015635 130.6801 229.5714 14.37085638480341

Live tracking on map

Real-time ground track for satellite COSMOS 990.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 990.

Target	Orbit	TCA	Probability of collision	Miss distance	Type
COSMOS 2251 DEB	LEO	2025-05-21 11:44:12	0.0001709791	386.0 (m)	DEBRIS
DMSP 5D-2 F13 DEB	SSO	2025-04-11 01:26:28	0.0004159967	456.0 (m)	DEBRIS
IRIDIUM 33 DEB	LEO	2025-04-10 22:51:34	0.0001060139	152.0 (m)	DEBRIS
CZ-4 DEB	SSO	2025-03-20 15:42:30	0.0002529833	244.0 (m)	DEBRIS
THORAD AGENA D DEB	LEO	2025-03-17 00:04:13	0.0004939337	349.0 (m)	DEBRIS

Associated space launch

Military communications satellite

COSMOS 990 was lifted into orbit during the mission ‘Kosmos-3M | Strela-2M 17’, on board a Kosmos-3M space rocket.

The launch took place on Feb. 17, 1978, 4:33 p.m. from 132/2.

For more information about the launch, click the button.

Kosmos-3M | Strela-2M 17

Agency: N/A

Status: Launch Successful

Launch date: Feb. 17, 1978, 4:33 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/2

Location: Plesetsk Cosmodrome, Russian Federation

...

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Latest news about this satellite

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