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COSMOS 1888, 18384

Orbit data source: Space-Track

COSMOS 1888, 18384 is a payload satellite owned by UNKS (CIS) in GEO that was launched on Thu, 01 Oct 1987 UTC via a PROTON-K/DM-2 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). Payload-class satellites include a variety of spacecraft 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
18384, 1987-084A
Orbit
GEO
Last TLE update
9 hours ago
Origin
Manufacturer
NPOPM/NPOL
Mission
Defense Communications
Bus & Motor
GEIZER, Unknown motor
Mass
2,100 kg wet, ~1,900 kg dry
Launch date (UTC)
1987-10-01 (38 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 + 1 Plate, 9 m
Radar Cross Section
27.853 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago
0 COSMOS 1888
1 18384U 87084A   25196.87660678 -.00000256  00000-0  00000-0 0  9996
2 18384  11.2721 328.2489 0003074 207.7800 217.5324  1.00271744138321
Epoch: 2025-07-15T21:02Z
TLE epoch observation values (Epoch: 2025-07-15T21:02:18.825Z)
Latitude
10.23821°
Longitude
143.55258°
Altitude
35,795.693 km
Speed
3.074 km/s
True Right ascension
02h 12m 23s
True Declination
10° 13' 41"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-4.62698°
Longitude
-77.32362°
Altitude
35,773.999 km
Speed
3.076 km/s
Apparent Right ascension
11h 05m 04s
Apparent Declination
-9° 37' 33"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
18:54:03
Azimuth
280.43° WNW
Elevation
-26.966°
Doppler factor
1
Orbital elements
Apogee altitude
35,800.579 km
Perigee altitude
35,774.655 km
Semi-major axis
42,165.754 km
Eccentricity
0.00031
Inclination
11.2721°
RAAN
328.2489°
Arg. of periapsis
207.78°
True anomaly
Unknown
Mean anomaly
217.5324°
Eccentric anomaly
Unknown
Mean motion
0.25067 °/min
Orbital period
1,436.15 mins
BSTAR
0
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