Key statistics
Satellite COSMOS 1989 (ETALON 1) at a glance.
Uptime
13487
Days in orbit
Revolutions
≈ 2.1
Per day
Orbit
MEO
Medium Earth Orbit
Inclination
64.8
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: 675.562 minutes
Inclination: 64.8361 deg
SMA: 25503.715 km
Apoapsis: 19185.341 km
Periapsis: 19065.819 km
RAAN: 78.5528 deg
Eccentricy: 0.00234323
Argument of periapsis: 217.1666 deg
Mean anomaly: 142.0177 deg
Mean motion: 2.13156014 rev/day
Mean motion (dot): -0.0000005 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 10:50 a.m. UTC
TLE line 0: 0 COSMOS 1989 (ETALON 1)
TLE line 1: 1 19751U 89001C 25347.45173772 -.00000050 00000-0 00000-0 0 9994
TLE line 2: 2 19751 64.8361 78.5528 0023432 217.1666 142.0177 2.13156014287407
Live tracking on map
Real-time ground track for satellite COSMOS 1989 (ETALON 1).
In-orbit conjunctions
A list of the most updated potential collisions computed for object 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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