HORIZONS 1 (GALAXY 13)

HORIZONS 1 (GALAXY 13) is an active satellite operated by PanAmSat (Intelsat S.A.)/Sky Perfect JSAT Corp. (United States), launched on 2003-10-01 from Sea Launch (ocean platform). With over 23 years in orbit, it has far exceeded many satellites’ design lifetimes. It orbits in Geostationary Orbit (GEO) at altitudes between 35,777 km and 35,796 km with an inclination of 1.4°. It travels at approximately 11,070 km/h (3.07 km/s), completing one full orbit every ~24 hours (geosynchronous) — that’s roughly 1.00 orbits per day. At geostationary altitude, there is no meaningful atmospheric drag — this object will remain in orbit indefinitely unless actively deorbited. Orbital Radar tracks HORIZONS 1 (GALAXY 13) in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.

HORIZONS 1 (GALAXY 13) occupies geostationary orbit at approximately 35,786 km above the equator, where its orbital period matches the Earth’s 24-hour rotation. From the ground, it appears to hover over a fixed point — ideal for broadcast television, weather monitoring and wideband communications. With an inclination of 1.4°, it traces a small figure-of-eight pattern relative to the equator rather than remaining perfectly stationary, which can indicate aging stationkeeping fuel or a deliberate inclined-orbit strategy. Within ±50 km of HORIZONS 1 (GALAXY 13)’s average altitude, there are currently 713 active payloads and 59 tracked debris or rocket body fragments — notable neighbours include ASTRA 1N, GOES 16, TDRS 13. United States operates approximately 12,360 active satellites in total, of which 146 share a similar altitude band with HORIZONS 1 (GALAXY 13).