GALAXY 23 (TELSTAR 13), 27854
Orbit data source: Space-Track
GALAXY 23 (TELSTAR 13), 27854 is a payload satellite owned by Echostar (US) in GEO that was launched on Fri, 08 Aug 2003 UTC via a ZENIT-3SL launch vehicle from the Sea Launch (SEAL). 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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27854 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SS/Loral
Mission
Non-operational Commercial Communications
Bus & Motor
SSL-1300, R-4D-11-164
Mass
4,737 kg wet, ~2,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 15.5 m
Radar Cross Section
40.765 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 4 hours ago
TLE from 4 hours ago
0 GALAXY 23 (TELSTAR 13)
1 27854U 03034A 25299.83513170 -.00000052 00000-0 00000+0 0 9998
2 27854 2.5924 82.4554 0008252 153.4516 121.3611 0.98955579 81382Epoch: 2025-10-26T20:02Z
TLE epoch observation values (Epoch: 2025-10-26T20:02:35.378Z)
Latitude
-2.56602°
Longitude
21.2254°
Altitude
36,177.936 km
Speed
3.06 km/s
True Right ascension
23h 49m 16s
True Declination
-2° 33' 48"
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
19:44:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,195.82 km
Perigee altitude
36,125.614 km
Semi-major axis
42,538.854 km
Eccentricity
0.00083
Inclination
2.5924°
RAAN
82.4554°
Arg. of periapsis
153.4516°
True anomaly
121.4418°
Mean anomaly
121.3611°
Eccentric anomaly
121.40146°
Mean motion
0.24738 °/min
Orbital period
1,455.25 mins
BSTAR
0
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Other satellites on launch #34 in the year 2003 (2003-08-08 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.GALAXY 23 (TELSTAR 13) 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. |
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| GALAXY 23 (TELSTAR 13) is likely not visible in the next few days. |
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27854 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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