Horizons-1
| Names | Horizons-1 / Galaxy 13 |
|---|---|
| Mission type | Communication |
| Operator | Intelsat / SKY Perfect JSAT |
| COSPAR ID | 2003-044A |
| SATCAT no. | 27954 |
| Website | Intelsat Page JSAT Page Galaxy 13 Page |
| Mission duration | 15 years (planned) 21 years, 8 months, 16 days (in progress) |
| Spacecraft properties | |
| Spacecraft | Horizons-1 |
| Spacecraft type | BSS |
| Bus | BSS-601 |
| Manufacturer | Boeing |
| Launch mass | 4060 kg |
| Dry mass | 2630 kg |
| Dimensions | 26.2 x 7.0 metre with solar panels and antennas deployed. |
| Power | 9900 watts |
| Start of mission | |
| Launch date | 1 October 2003, 04:03:07 UTC |
| Rocket | Zenit-3SL |
| Launch site | Ocean Odyssey Pacific Ocean |
| Contractor | Sea Launch LLC. |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Geostationary orbit |
| Longitude | 127.0° West |
| Transponders | |
| Band | Ku-band: 24 (+ 8 spares) C-band: 24 (+ 8 spares) |
| Frequency | 36 MHz |
| Bandwidth | 1728 MHz |
| Coverage area | North America, Puerto Rico, Alaska, Hawaii and Mexico |
| TWTA power | Ku-band, 108 watts C-band, 40 watts |
Horizons-1, also known as Galaxy 13, is a geostationary communications satellite operated by Intelsat and SKY Perfect JSAT (JSAT) which was designed and manufactured by Boeing on the Hughes_601 (BSS-601) platform. It has Ku-band and C-band payload and was used to replace Galaxy 9 at the 127.0° West longitude, moved to 150°W, i=0.0° (2024..2025..). It covers North America, Puerto Rico, Alaska, Hawaii and Mexico.