Key statistics
Satellite COSMOS 1577 at a glance.
Uptime
15145
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
83.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1577.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1577
International designator: 1984-067A
Object number (NORAD): 15077
Object ID (CCSDS): 15077
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.677 minutes
Inclination: 82.9568 deg
SMA: 7357.46 km
Apoapsis: 1006.064 km
Periapsis: 952.585 km
RAAN: 343.7232 deg
Eccentricy: 0.00363431
Argument of periapsis: 153.1894 deg
Mean anomaly: 325.3633 deg
Mean motion: 13.75659433 rev/day
Mean motion (dot): 0.0000009 rev/day2
B* drag term: 0.000076633686 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 12:56 p.m. UTC
TLE line 0: 0 COSMOS 1577
TLE line 1: 1 15077U 84067A 25347.53950525 .00000090 00000-0 76634-4 0 9999
TLE line 2: 2 15077 82.9568 343.7232 0036343 153.1894 325.3633 13.75659433827956
Live tracking on map
Real-time ground track for satellite COSMOS 1577.
Associated space launch
Navigation satellite providing location information for the Tsiklon-B navigation system
COSMOS 1577 was lifted into orbit during the mission ‘Kosmos-3M | Parus 44’, on board a Kosmos-3M space rocket.
The launch took place on June 27, 1984, 4:59 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Parus 44
Agency: N/A
Status: Launch Successful
Launch date: June 27, 1984, 4:59 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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