GORIZONT 19, 20263
Orbit data source: Space-Track
GORIZONT 19, 20263 is a payload satellite owned by MSvyaz (CIS) in GEO that was launched on Thu, 28 Sep 1989 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.
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20263 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Non-operational Civil Communications
Bus & Motor
GORIZONT, Unknown motor
Mass
2,120 kg wet, ~2,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 4.8 m
Radar Cross Section
23.870 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 23 hours ago
TLE from 23 hours ago
0 GORIZONT 19
1 20263U 89081A 25259.84252212 -.00000381 00000-0 00000-0 0 9991
2 20263 12.3786 335.3262 0005947 257.6171 177.8389 1.00299424 44608Epoch: 2025-09-16T20:13Z
TLE epoch observation values (Epoch: 2025-09-16T20:13:13.911Z)
Latitude
11.97526°
Longitude
111.11688°
Altitude
35,802.708 km
Speed
3.073 km/s
True Right ascension
03h 21m 48s
True Declination
11° 57' 49"
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
11:45:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,804.918 km
Perigee altitude
35,754.776 km
Semi-major axis
42,157.984 km
Eccentricity
0.00059
Inclination
12.3786°
RAAN
335.3262°
Arg. of periapsis
257.6171°
True anomaly
177.84147°
Mean anomaly
177.8389°
Eccentric anomaly
177.84018°
Mean motion
0.25074 °/min
Orbital period
1,435.75 mins
BSTAR
0
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Other satellites on launch #81 in the year 1989 (1989-09-28 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.GORIZONT 19 Visibility
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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. |
|---|---|---|---|---|---|---|---|
| GORIZONT 19 is likely not visible in the next few days. |
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20263 neighbors
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Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
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