Key statistics
Satellite COSMOS 1721 at a glance.
Uptime
14489
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: 73.9877 deg
SMA: 7832.691 km
Apoapsis: 1483.597 km
Periapsis: 1425.516 km
RAAN: 216.2068 deg
Eccentricy: 0.00370758
Argument of periapsis: 272.2051 deg
Mean anomaly: 261.9356 deg
Mean motion: 12.52380351 rev/day
Mean motion (dot): -0.0000003 rev/day2
B* drag term: -0.000088679435 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 6:18 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 3:20 p.m. UTC
TLE line 0: 0 COSMOS 1721
TLE line 1: 1 16454U 86002F 25251.63922417 -.00000030 00000-0 -88679-4 0 9992
TLE line 2: 2 16454 73.9877 216.2068 0037076 272.2051 261.9356 12.52380351813453
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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