Key statistics
Satellite COSMOS 1989 (ETALON 1) at a glance.
Uptime
13328
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
64.7
Latest
Satellite identification and parameters
Extended collection of information and parameters for COSMOS 1989 (ETALON 1).
Object identification
Identified? True
Debris? False
Object name: COSMOS 1989 (ETALON 1)
International designator: 1989-001C
Object number (NORAD): 19751
Object ID (CCSDS): 19751
Country: COMMONWEALTH OF INDEPENDENT STATES (CIS)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 675.561 minutes
Inclination: 64.744 deg
SMA: 25503.701 km
Apoapsis: 19185.428 km
Periapsis: 19065.703 km
RAAN: 84.0465 deg
Eccentricy: 0.0023472
Argument of periapsis: 216.8865 deg
Mean anomaly: 277.1417 deg
Mean motion: 2.13156195 rev/day
Mean motion (dot): -0.00000048 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: July 6, 2025, 6:05 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 4:20 a.m. UTC
TLE line 0: 0 COSMOS 1989 (ETALON 1)
TLE line 1: 1 19751U 89001C 25187.18116200 -.00000048 00000-0 00000-0 0 9996
TLE line 2: 2 19751 64.7440 84.0465 0023472 216.8865 277.1417 2.13156195283994
Live tracking on map
Real-time ground track for satellite COSMOS 1989 (ETALON 1).
Associated space launch
GLONASS navigation satellites
COSMOS 1989 (ETALON 1) was lifted into orbit during the mission ‘Proton | Uragan 32 & 33’, on board a Proton space rocket.
The launch took place on Jan. 10, 1989, 2:05 a.m. from 200/39 (200L).
For more information about the launch, click the button.
Proton | Uragan 32 & 33
Agency: N/A
Status: Launch Successful
Launch date: Jan. 10, 1989, 2:05 a.m. UTC
Rocket: Proton
Launch pad: 200/39 (200L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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