COSMOS 1550

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 1550 at a glance.

Uptime

15192

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 1550.

Object identification

Identified? True

Debris? False

Object name: COSMOS 1550

International designator: 1984-043A

Object number (NORAD): 14965

Object ID (CCSDS): 14965

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: LARGE

Orbital parameters

Period: 104.879 minutes

Inclination: 82.9729 deg

SMA: 7366.932 km

Apoapsis: 1007.825 km

Periapsis: 969.769 km

RAAN: 356.6332 deg

Eccentricy: 0.00258284

Argument of periapsis: 173.1366 deg

Mean anomaly: 298.4721 deg

Mean motion: 13.73007041 rev/day

Mean motion (dot): 0.00000076 rev/day2

B* drag term: 0.000066071027 1/REarth

Two-line elements (TLE)

Creation date: Dec. 14, 2025, 3:07 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 13, 2025, 12:37 p.m. UTC

TLE line 0: 0 COSMOS 1550

TLE line 1: 1 14965U 84043A 25347.52621676 .00000076 00000-0 66071-4 0 9997

TLE line 2: 2 14965 82.9729 356.6332 0025828 173.1366 298.4721 13.73007041 84320

Live tracking on map

Real-time ground track for satellite COSMOS 1550.

In-orbit conjunctions

There are no conjunctions computed for COSMOS 1550, at the moment. Check back to stay up to date, as we update our databases every day.

Go to all conjunctions

Associated space launch

Optical film-return reconnaissance satellite

COSMOS 1550 was lifted into orbit during the mission ‘Soyuz U | Zenit-6U 95’, on board a Soyuz U space rocket.

The launch took place on May 11, 1984, 1 p.m. from 41/1.

For more information about the launch, click the button.

Launch to space Soyuz U | Zenit-6U 95
Soyuz U | Zenit-6U 95

Agency: N/A

Status: Launch Successful

Launch date: May 11, 1984, 1 p.m. UTC

Rocket: Soyuz U

Launch pad: 41/1

Location: Plesetsk Cosmodrome, Russian Federation

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Latest news about this satellite

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