Key statistics
Satellite COSMOS 447 at a glance.
Uptime
19785
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: 74.0261 deg
SMA: 7840.039 km
Apoapsis: 1514.161 km
Periapsis: 1409.646 km
RAAN: 197.7325 deg
Eccentricy: 0.00666545
Argument of periapsis: 244.7967 deg
Mean anomaly: 235.7414 deg
Mean motion: 12.50620225 rev/day
Mean motion (dot): -0.00000014 rev/day2
B* drag term: 0.000013984239 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 7 a.m. UTC
TLE line 0: 0 COSMOS 447
TLE line 1: 1 05550U 71086D 25346.29222519 -.00000014 00000-0 13984-4 0 9994
TLE line 2: 2 05550 74.0261 197.7325 0066654 244.7967 235.7414 12.50620225472832
Live tracking on map
Real-time ground track for satellite COSMOS 447.
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.
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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