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COSMOS 1894, 18443

Orbit data source: Space-Track

COSMOS 1894, 18443 is a payload satellite owned by PVO (CIS) in GEO that was launched on Wed, 28 Oct 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.

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COSMOS 1894 details

Identifier	18443, 1987-091A
Orbit	GEO
Last TLE update	23 hours ago
Origin	PVO (CIS)
Manufacturer	NPOL/KOMET
Mission	Defense Early Warn
Bus & Motor	OKO, Unknown motor
Mass	~1,250 kg wet, ~1,150 kg dry
Launch date (UTC)	1987-10-28 (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 + 2 Pan, 5 m
Radar Cross Section	6.333 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 23 hours ago

0 COSMOS 1894
1 18443U 87091A   24347.93644257 -.00000265  00000-0  00000+0 0  9998
2 18443  11.5463 329.1946 0002893 338.5479  35.4018  1.00372539115285

Epoch: 2024-12-12T22:28Z

Definitive object data (Epoch: 2024-12-12T22:28:28.638Z)

Latitude	2.77925°
Longitude	-76.35334°
Altitude	35,747.707 km
Speed	3.076 km/s
True Right ascension	22h 51m 30s
True Declination	2° 46' 35"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	0.60576°
Longitude	-87.10751°
Altitude	35,746.853 km
Speed	3.077 km/s
Apparent Right ascension	22h 22m 59s
Apparent Declination	-5° 27' 40"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	20:11:12
Azimuth	138.364° SSE
Elevation	35.426°
Doppler factor	1

Orbital elements

Apogee altitude	35,771.572 km
Perigee altitude	35,747.191 km
Semi-major axis	42,137.519 km
Eccentricity	0.0002893
Inclination	11.5463°
RAAN	329.1946°
Arg. of periapsis	338.5479°
True anomaly	35.42101°
Mean anomaly	35.4018°
Eccentric anomaly	35.4114°
Mean motion	0.25092 °/min
BSTAR	Unknown
Orbital period	1434.71 mins