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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19789 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 0.8 m
Radar Cross Section
1.257 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 COSMOS 1998
1 19789U 89009E 25306.46583123 .00000052 00000-0 21991-3 0 9990
2 19789 82.6072 116.2362 0016827 78.5868 281.7113 12.64926340695356Epoch: 2025-11-02T11:10Z
TLE epoch observation values (Epoch: 2025-11-02T11:10:47.818Z)
Latitude
-0.00008°
Longitude
-93.44421°
Altitude
1,402.774 km
Speed
7.16 km/s
True Right ascension
07h 44m 56s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
06:47:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,413.081 km
Perigee altitude
1,386.904 km
Semi-major axis
7,778.13 km
Eccentricity
0.00168
Inclination
82.6072°
RAAN
116.2362°
Arg. of periapsis
78.5868°
True anomaly
281.52241°
Mean anomaly
281.7113°
Eccentric anomaly
281.61686°
Mean motion
3.16396 °/min
Orbital period
113.78 mins
BSTAR
0.00021991
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Other satellites on launch #9 in the year 1989 (1989-02-10 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.COSMOS 1998 Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2025-11-03 11:56:34.786Z | 178.347° S | 2025-11-03 12:04:34.786Z | 59.748° ENE | 44.059° | 2025-11-03 12:11:34.786Z | 10.741° NNE |
| 10 mins | 2025-11-03 13:55:34.786Z | 258.501° W | 2025-11-03 13:59:34.786Z | 292.65° NW | 19.675° | 2025-11-03 14:05:34.786Z | 340.351° N |
| 12 mins | 2025-11-03 21:58:34.786Z | 19.767° NNE | 2025-11-03 22:03:34.786Z | 66.253° ENE | 26.737° | 2025-11-03 22:10:34.786Z | 127.712° SE |
| 14 mins | 2025-11-03 23:52:34.786Z | 340.445° N | 2025-11-03 23:58:34.786Z | 280.949° WNW | 39.122° | 2025-11-04 00:06:34.786Z | 195.937° SSW |
| 11 mins | 2025-11-04 10:45:34.786Z | 132.556° SE | 2025-11-04 10:50:34.786Z | 87.936° E | 25.94° | 2025-11-04 10:56:34.786Z | 33.191° NE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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