COSMOS 647

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 647 at a glance.

Uptime

18870

Days in orbit

Revolutions

≈ 12.5

Per day

Orbit

LEO

Low Earth Orbit

Inclination

74.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 647.

Object identification

Identified? True

Debris? False

Object name: COSMOS 647

International designator: 1974-024G

Object number (NORAD): 7271

Object ID (CCSDS): 7271

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 114.936 minutes

Inclination: 74.0188 deg

SMA: 7830.64 km

Apoapsis: 1482.421 km

Periapsis: 1422.589 km

RAAN: 51.6198 deg

Eccentricy: 0.00382036

Argument of periapsis: 81.7335 deg

Mean anomaly: 91.9968 deg

Mean motion: 12.52872452 rev/day

Mean motion (dot): 0.00000007 rev/day2

B* drag term: 0.00014321523 1/REarth

Two-line elements (TLE)

Creation date: Dec. 21, 2025, 3:42 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 20, 2025, 9:13 p.m. UTC

TLE line 0: 0 COSMOS 647

TLE line 1: 1 07271U 74024G 25354.88448601 .00000007 00000-0 14322-3 0 9994

TLE line 2: 2 07271 74.0188 51.6198 0038204 81.7335 91.9968 12.52872452362721

Live tracking on map

Real-time ground track for satellite COSMOS 647.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 647.

Target Orbit TCA Probability of collision Miss distance Type
THORAD DELTA 1 DEB SSO 2025-02-21 05:14:14 0.0002325095 423.0 (m) DEBRIS

Associated space launch

Military communications satellites

COSMOS 647 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 65-72’, on board a Kosmos-3M space rocket.

The launch took place on April 23, 1974, 2:14 p.m. from 132/2.

For more information about the launch, click the button.

Launch to space Kosmos-3M | Strela-1M 65-72
Kosmos-3M | Strela-1M 65-72

Agency: N/A

Status: Launch Successful

Launch date: April 23, 1974, 2:14 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/2

Location: Plesetsk Cosmodrome, Russian Federation

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