COSMOS 990

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 990 at a glance.

Uptime

17467

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: 100.197 minutes

Inclination: 74.0375 deg

SMA: 7146.005 km

Apoapsis: 779.172 km

Periapsis: 756.567 km

RAAN: 135.5328 deg

Eccentricy: 0.0015816

Argument of periapsis: 157.8708 deg

Mean anomaly: 202.3132 deg

Mean motion: 14.37168959 rev/day

Mean motion (dot): 0.00000351 rev/day2

B* drag term: 0.00012674 1/REarth

Two-line elements (TLE)

Creation date: Dec. 12, 2025, 7:16 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 11, 2025, 8:52 p.m. UTC

TLE line 0: 0 COSMOS 990

TLE line 1: 1 10676U 78019A 25345.86971737 .00000351 00000-0 12674-3 0 9994

TLE line 2: 2 10676 74.0375 135.5328 0015816 157.8708 202.3132 14.37168959503118

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
METEOR 2-5 DEB LEO 2025-10-24 09:00:41 0.0001293071 305.0 (m) DEBRIS
COSMOS 2491 DEB * LEO 2025-07-13 09:53:18 0.0003214254 630.0 (m) DEBRIS
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

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.

Launch to space Kosmos-3M | Strela-2M 17
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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