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COSMOS 1989 (ETALON 1), 19751

Orbit data source: Space-Track

COSMOS 1989 (ETALON 1), 19751 is a payload satellite owned by NPO PM (CIS) in MEO that was launched on Tue, 10 Jan 1989 UTC via a PROTON-K/DM-2 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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COSMOS 1989 (ETALON 1) details

Identifier	19751, 1989-001C
Orbit	MEO
Last TLE update	13 hours ago
Origin	NPO PM (CIS)
Manufacturer	OAZ?
Mission	Operational Defense Geodetic
Bus & Motor	ETALON, Unknown motor
Mass	1,230 kg wet, 1,230 kg dry
Launch date (UTC)	1989-01-10 (36 years ago)
Launch vehicle	PROTON-K/DM-2
Launch site	Tyuratam Missile And Space Complex (TTMTR)
Object type	Payload Rocket body Debris
Shape & HBR	Sphere, 1.29 m
Radar Cross Section	1.307 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 COSMOS 1989 (ETALON 1)
1 19751U 89001C   24346.60027022 -.00000022  00000-0  00000+0 0  9993
2 19751  64.6389  91.1405 0023719 216.3070 155.7926  2.13155972279662

Epoch: 2024-12-11T14:24Z

Definitive object data (Epoch: 2024-12-11T14:24:23.347Z)

Latitude	11.04462°
Longitude	159.54491°
Altitude	19,180.716 km
Speed	3.945 km/s
True Right ascension	06h 25m 44s
True Declination	11° 01' 36"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	59.83556°
Longitude	-151.31892°
Altitude	19,183.396 km
Speed	3.947 km/s
Apparent Right ascension	10h 47m 56s
Apparent Declination	49° 03' 58"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	01:59:19
Azimuth	29.413° NE
Elevation	8.483°
Doppler factor	1

Orbital elements

Apogee altitude	19,185.7 km
Perigee altitude	19,064.717 km
Semi-major axis	25,503.346 km
Eccentricity	0.0023719
Inclination	64.6389°
RAAN	91.1405°
Arg. of periapsis	216.307°
True anomaly	155.90375°
Mean anomaly	155.7926°
Eccentric anomaly	155.8482°
Mean motion	0.5329 °/min
BSTAR	Unknown
Orbital period	675.55 mins