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COSMOS 1998, 19789

Orbit data source: Space-Track

COSMOS 1998, 19789 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 10 Feb 1989 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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.

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Identifier
19789, 1989-009E
Orbit
LEO
Last TLE update
17 hours ago
Origin
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 kg dry
Launch date (UTC)
1989-02-10 (36 years ago)
Launch vehicle
TSIKLON-3
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, 1.6 m
Radar Cross Section
1.257 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 17 hours ago
0 COSMOS 1998
1 19789U 89009E   25181.73181523  .00000010  00000-0 -44725-5 0  9996
2 19789  82.6099 195.8340 0016088   7.1113 353.0205 12.64922089679582
Epoch: 2025-06-30T17:33Z
TLE epoch observation values (Epoch: 2025-06-30T17:33:48.835Z)
Latitude
-0.00003°
Longitude
13.34311°
Altitude
1,393.002 km
Speed
7.169 km/s
True Right ascension
13h 03m 20s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-68.45429°
Longitude
-148.01627°
Altitude
1,433.897 km
Speed
7.142 km/s
Apparent Right ascension
07h 23m 13s
Apparent Declination
-67° 25' 45"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
21:42:20
Azimuth
156.6° SSE
Elevation
-56.545°
Doppler factor
1
Orbital elements
Apogee altitude
1,412.523 km
Perigee altitude
1,387.496 km
Semi-major axis
7,778.147 km
Eccentricity
0.00161
Inclination
82.6099°
RAAN
195.834°
Arg. of periapsis
7.1113°
True anomaly
Unknown
Mean anomaly
353.0205°
Eccentric anomaly
Unknown
Mean motion
3.16395 °/min
Orbital period
113.78 mins
BSTAR
-0.0000044725
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COSMOS 1998 Visibility forecast

Observer location: undefined°, undefined°

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
11 mins2025-07-01 11:15:57.716Z20.716° NNE2025-07-01 11:21:57.716Z71.821° E22.035°2025-07-01 11:26:57.716Z113.036° SE
15 mins2025-07-01 13:09:57.716Z346.594° N2025-07-01 13:16:57.716Z268.737° W43.237°2025-07-01 13:24:57.716Z185.946° SSW
9 mins2025-07-02 00:04:57.716Z116.413° SE2025-07-02 00:08:57.716Z81.28° E20.876°2025-07-02 00:13:57.716Z39.485° NE
15 mins2025-07-02 01:55:57.716Z197.293° SSW2025-07-02 02:02:57.716Z281.553° WNW43.292°2025-07-02 02:10:57.716Z3.199° NNE
4 mins2025-07-02 03:57:57.716Z290.351° WNW2025-07-02 03:58:57.716Z297.935° NW12.286°2025-07-02 04:01:57.716Z320.32° NNW
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