Key statistics
Satellite COSMOS 1691 at a glance.
Uptime
14518
Days in orbit
Revolutions
≈ 12.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
82.6
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1691.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1691
International designator: 1985-094B
Object number (NORAD): 16139
Object ID (CCSDS): 16139
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.063 minutes
Inclination: 82.6125 deg
SMA: 7790.933 km
Apoapsis: 1413.655 km
Periapsis: 1411.94 km
RAAN: 148.6947 deg
Eccentricy: 0.0001101
Argument of periapsis: 83.8227 deg
Mean anomaly: 304.6398 deg
Mean motion: 12.62462814 rev/day
Mean motion (dot): 0.00000014 rev/day2
B* drag term: 0.000020459 1/REarth
Two-line elements (TLE)
Creation date: July 7, 2025, 10:26 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 9:29 p.m. UTC
TLE line 0: 0 COSMOS 1691
TLE line 1: 1 16139U 85094B 25188.89525288 .00000014 00000-0 20459-4 0 9996
TLE line 2: 2 16139 82.6125 148.6947 0001101 83.8227 304.6398 12.62462814831830
Live tracking on map
Real-time ground track for satellite COSMOS 1691.
Associated space launch
Second generation store-dump military communications satellite
COSMOS 1691 was lifted into orbit during the mission ‘Tsiklon-3 | Strela-3 7 to 12’, on board a Tsiklon-3 space rocket.
The launch took place on Oct. 9, 1985, 9:35 p.m. from 32/1.
For more information about the launch, click the button.
Tsiklon-3 | Strela-3 7 to 12
Agency: N/A
Status: Launch Successful
Launch date: Oct. 9, 1985, 9:35 p.m. UTC
Rocket: Tsiklon-3
Launch pad: 32/1
Location: Plesetsk Cosmodrome, Russian Federation
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