High Energy Transient Explorer 1
| Names | HETE-1 |
|---|---|
| Mission type | High-energy astronomy |
| Operator | NASA |
| COSPAR ID | 1996-061A |
| SATCAT no. | 24645 |
| Mission duration | 18 months (planned) Failed on orbit |
| Spacecraft properties | |
| Spacecraft | Explorer |
| Spacecraft type | High Energy Transient Explorer |
| Bus | HETE |
| Manufacturer | AeroAstro, Inc. |
| Launch mass | 128 kg (282 lb) |
| Start of mission | |
| Launch date | 4 November 1996, 17:08:56 UTC |
| Rocket | Pegasus-XL (F14) |
| Launch site | Wallops Flight Facility, LA-3 |
| Contractor | Orbital Sciences Corporation |
| Entered service | Failed on orbit |
| End of mission | |
| Decay date | 7 April 2002 |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Perigee altitude | 487 km (303 mi) |
| Apogee altitude | 555 km (345 mi) |
| Inclination | 38.00° |
| Period | 95.00 minutes |
| Instruments | |
| Omnidirectional Gamma-Ray Spectrometer Ultraviolet Transient Camera Array Wide Field X-ray Monitor | |
Explorer program | |
High Energy Transient Explorer 1 (HETE-1) was a NASA astronomical satellite with international participation (mainly Japan and France).