HORIZONS 1 (GALAXY 13), 27954
Orbit data source: Space-Track
HORIZONS 1 (GALAXY 13), 27954 is a payload satellite owned by Panamsat (US) in GEO that was launched on Wed, 01 Oct 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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27954 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Boeing/ES
Mission
Operational Commercial Communications
Bus & Motor
HS-601HP, R-4D-11-300
Mass
4,090 kg wet, ~2,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 13.1 m
Radar Cross Section
46.266 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 HORIZONS 1 (GALAXY 13)
1 27954U 03044A 26044.44256701 .00000138 00000-0 00000+0 0 9994
2 27954 1.0983 85.6153 0002217 234.2976 192.8606 1.00269621 45337Epoch: 2026-02-13T10:37Z
TLE epoch observation values (Epoch: 2026-02-13T10:37:17.789Z)
Latitude
1.03112°
Longitude
-150.01566°
Altitude
35,795.719 km
Speed
3.074 km/s
True Right ascension
10h 11m 09s
True Declination
1° 01' 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
01:08:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,797.62 km
Perigee altitude
35,778.923 km
Semi-major axis
42,166.408 km
Eccentricity
0.00022
Inclination
1.0983°
RAAN
85.6153°
Arg. of periapsis
234.2976°
True anomaly
192.85495°
Mean anomaly
192.8606°
Eccentric anomaly
192.85777°
Mean motion
0.25066 °/min
Orbital period
1,436.18 mins
BSTAR
0
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Other satellites on launch #44 in the year 2003 (2003-10-01 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.HORIZONS 1 (GALAXY 13) 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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2026-02-13 22:33:27.122Z | 236.444° WSW | 2026-02-14 12:13:27.122Z | 238.117° WSW | 23.633° | 2026-02-14 22:33:27.122Z | 236.442° WSW |
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27954 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
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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