Key statistics
Satellite COSMOS 447 at a glance.
Uptime
19691
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: 74.0308 deg
SMA: 7840.048 km
Apoapsis: 1513.621 km
Periapsis: 1410.205 km
RAAN: 322.8152 deg
Eccentricy: 0.00659537
Argument of periapsis: 25.3929 deg
Mean anomaly: 42.6196 deg
Mean motion: 12.50617938 rev/day
Mean motion (dot): 0.00000006 rev/day2
B* drag term: 0.00013912892 1/REarth
Two-line elements (TLE)
Creation date: Sept. 9, 2025, 10:35 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 9, 2025, 7:05 a.m. UTC
TLE line 0: 0 COSMOS 447
TLE line 1: 1 05550U 71086D 25252.29567753 .00000006 00000-0 13913-3 0 9993
TLE line 2: 2 05550 74.0308 322.8152 0065954 25.3929 42.6196 12.50617938461080
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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