Key statistics
Satellite COSMOS 1721 at a glance.
Uptime
14427
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 1721.
Object identification
Identified? True
Debris? False
Object name: COSMOS 1721
International designator: 1986-002F
Object number (NORAD): 16454
Object ID (CCSDS): 16454
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 114.981 minutes
Inclination: 73.9908 deg
SMA: 7832.697 km
Apoapsis: 1483.067 km
Periapsis: 1426.056 km
RAAN: 297.6724 deg
Eccentricy: 0.0036393
Argument of periapsis: 3.0043 deg
Mean anomaly: 115.5685 deg
Mean motion: 12.52379059 rev/day
Mean motion (dot): -0.00000017 rev/day2
B* drag term: -0.0000084542 1/REarth
Two-line elements (TLE)
Creation date: July 10, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 9, 2025, 6:17 p.m. UTC
TLE line 0: 0 COSMOS 1721
TLE line 1: 1 16454U 86002F 25190.76241137 -.00000017 00000-0 -84542-5 0 9992
TLE line 2: 2 16454 73.9908 297.6724 0036393 3.0043 115.5685 12.52379059805837
Live tracking on map
Real-time ground track for satellite COSMOS 1721.
Associated space launch
Military communications satellites
COSMOS 1721 was lifted into orbit during the mission ‘Kosmos-3M | Strela-1M 297-304’, on board a Kosmos-3M space rocket.
The launch took place on Jan. 9, 1986, 2:48 a.m. from 132/2.
For more information about the launch, click the button.
Kosmos-3M | Strela-1M 297-304
Agency: N/A
Status: Launch Successful
Launch date: Jan. 9, 1986, 2:48 a.m. UTC
Rocket: Kosmos-3M
Launch pad: 132/2
Location: Plesetsk Cosmodrome, Russian Federation
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