COSMOS 644

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 644 at a glance.

Uptime

18870

Days in orbit

Revolutions

≈ 12.6

Per day

Orbit

LEO

Low Earth Orbit

Inclination

74.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for COSMOS 644.

Object identification

Identified? True

Debris? False

Object name: COSMOS 644

International designator: 1974-024D

Object number (NORAD): 7268

Object ID (CCSDS): 7268

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 113.952 minutes

Inclination: 74.0179 deg

SMA: 7785.883 km

Apoapsis: 1481.555 km

Periapsis: 1333.94 km

RAAN: 258.027 deg

Eccentricy: 0.00947965

Argument of periapsis: 204.9866 deg

Mean anomaly: 154.6589 deg

Mean motion: 12.63691225 rev/day

Mean motion (dot): 0.00000005 rev/day2

B* drag term: 0.00011956 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, 9:07 p.m. UTC

TLE line 0: 0 COSMOS 644

TLE line 1: 1 07268U 74024D 25354.88043879 .00000005 00000-0 11956-3 0 9996

TLE line 2: 2 07268 74.0179 258.0270 0094797 204.9866 154.6589 12.63691225383164

Live tracking on map

Real-time ground track for satellite COSMOS 644.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 644.

Target Orbit TCA Probability of collision Miss distance Type
DELTA 1 DEB SSO 2025-12-10 06:59:56 0.0004228289 21.0 (m) DEBRIS
DELTA 1 DEB SSO 2024-11-09 06:03:38 0.001203967 68.0 (m) DEBRIS

Associated space launch

Military communications satellites

COSMOS 644 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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