Key statistics
Satellite COSMOS 677 at a glance.
Uptime
18713
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
74.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 677.
Object identification
Identified? True
Debris? False
Object name: COSMOS 677
International designator: 1974-072A
Object number (NORAD): 7435
Object ID (CCSDS): 7435
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.465 minutes
Inclination: 74.0332 deg
SMA: 7809.24 km
Apoapsis: 1466.163 km
Periapsis: 1396.047 km
RAAN: 206.1814 deg
Eccentricy: 0.00448931
Argument of periapsis: 332.6531 deg
Mean anomaly: 143.3896 deg
Mean motion: 12.5802595 rev/day
Mean motion (dot): -0.0000001 rev/day2
B* drag term: 0.000040368658 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, 2:04 a.m. UTC
TLE line 0: 0 COSMOS 677
TLE line 1: 1 07435U 74072A 25346.08631516 -.00000010 00000-0 40369-4 0 9997
TLE line 2: 2 07435 74.0332 206.1814 0044893 332.6531 143.3896 12.58025950352655
Live tracking on map
Real-time ground track for satellite COSMOS 677.
Associated space launch
Military communications satellites
COSMOS 677 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 73-80’, on board a Kosmos-3M space rocket.
The launch took place on Sept. 19, 1974, 2:57 p.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 73-80
Agency: N/A
Status: Launch Successful
Launch date: Sept. 19, 1974, 2:57 p.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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