COSMOS 447

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

Key statistics

Satellite COSMOS 447 at a glance.

Uptime

19739

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 447.

Object identification

Identified? True

Debris? False

Object name: COSMOS 447

International designator: 1971-086D

Object number (NORAD): 5550

Object ID (CCSDS): 5550

Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 115.143 minutes

Inclination: 74.0268 deg

SMA: 7840.043 km

Apoapsis: 1514.255 km

Periapsis: 1409.561 km

RAAN: 258.0971 deg

Eccentricy: 0.00667684

Argument of periapsis: 312.3674 deg

Mean anomaly: 103.3582 deg

Mean motion: 12.50619173 rev/day

Mean motion (dot): 0.0000001 rev/day2

B* drag term: 0.00016817621 1/REarth

Two-line elements (TLE)

Creation date: Oct. 28, 2025, 2:18 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Oct. 27, 2025, 10:12 p.m. UTC

TLE line 0: 0 COSMOS 447

TLE line 1: 1 05550U 71086D 25300.92514227 .00000010 00000-0 16818-3 0 9997

TLE line 2: 2 05550 74.0268 258.0971 0066768 312.3674 103.3582 12.50619173467166

Live tracking on map

Real-time ground track for satellite COSMOS 447.

In-orbit conjunctions

A list of the most updated potential collisions computed for object COSMOS 447.

Target Orbit TCA Probability of collision Miss distance Type
DELTA 1 DEB SSO 2025-08-10 02:07:34 0.0005987378 90.0 (m) DEBRIS

Associated space launch

Military communications satellites

COSMOS 447 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 17-24’, on board a Kosmos-3M space rocket.

The launch took place on Oct. 13, 1971, 1:41 p.m. from 132/2.

For more information about the launch, click the button.

Launch to space Kosmos-3M | Strela-1M 17-24
Kosmos-3M | Strela-1M 17-24

Agency: N/A

Status: Launch Successful

Launch date: Oct. 13, 1971, 1:41 p.m. UTC

Rocket: Kosmos-3M

Launch pad: 132/2

Location: Plesetsk Cosmodrome, Russian Federation

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