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.
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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