Mission
Communications · Direct-GEO
The U.S. Navy began replacing and upgrading its ultra-high frequency (UHF) satellite communications network during the 1990s with a constellation of customized satellites built by Hughes Space and Communications Company. Known as the UFO (Ultra High Frequency Follow On) series, these HS-601 model…
What it put in orbit
| Object | Type | Orbit | Globe |
|---|---|---|---|
| UFO 10 (USA 146) 1999-063A | Payload | 35763 × 35811 km · 9.9° | Globe |
| ATLAS 2A CENTAUR R/B 1999-063B | Rocket body | 174 × 2962 km · 26.8° | Globe |
COSPAR ID 1999-063. Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).