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COSMOS 1897, 18575

Orbit data source: Space-Track

COSMOS 1897, 18575 is a payload satellite owned by UNKS (CIS) in GEO that was launched on Thu, 26 Nov 1987 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.

Not visible in the next 10 days

Identifier	18575, 1987-096A
Orbit	GEO
Last TLE update	17 hours ago
Origin	UNKS (CIS)
Manufacturer	NPO PM
Mission	Non-operational Defense Communications
Bus & Motor	KAUR-4 AL'TAIR, Unknown motor
Mass	2,400 kg wet, ~2,200 kg dry
Launch date (UTC)	1987-11-26 (37 years ago)
Launch vehicle	PROTON-K/DM-2
Launch site	Tyuratam Missile And Space Complex (TTMTR)
Object type	Payload Rocket body Debris
Shape & HBR	Cyl, 5 m
Radar Cross Section	9.425 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 17 hours ago

0 COSMOS 1897
1 18575U 87096A   25070.77100352 -.00000076  00000-0  00000-0 0  9999
2 18575  11.6603 329.9408 0006865 116.9177  72.6397  1.00221218136558

Epoch: 2025-03-11T18:30Z

Definitive object data (Epoch: 2025-03-11T18:30:14.704Z)

Latitude	-1.93808°
Longitude	72.18336°
Altitude	35,791.972 km
Speed	3.075 km/s
True Right ascension	10h 37m 39s
True Declination	-1° 56' 10"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	11.4956°
Longitude	-36.87346°
Altitude	35,776.447 km
Speed	3.076 km/s
Apparent Right ascension	03h 22m 40s
Apparent Declination	5° 20' 39"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	15:33:14
Azimuth	3.697° NNE
Elevation	-44.675°
Doppler factor	1

Orbital elements

Apogee altitude	35,830.739 km
Perigee altitude	35,772.826 km
Semi-major axis	42,179.92 km
Eccentricity	0.0006865
Inclination	11.6603°
RAAN	329.9408°
Arg. of periapsis	116.9177°
True anomaly	72.7148°
Mean anomaly	72.6397°
Eccentric anomaly	72.67725°
Mean motion	0.25054 °/min
BSTAR	Unknown
Orbital period	1436.87 mins