Photo: Bill Ingalls · Public domain (US government)
About this launch
Skynet 4 was the third generation of UK Ministry of Defense communications satellites. They provided jam-proof communications service between fixed and mobile land and sea-based ground stations.
More about this launch
Flight profileThe climb, seen from the side · 3D replay on the globe
Launch window and padCape Canaveral SFS, FL, USA
- Site
- Cape Canaveral SFS, FL, USA
Rocket and boosterDelta II 7925-9.5
- Vehicle
- Delta II 7925-9.5
Delta II 7925-9.5: specs, record and next flights → US Air Force: all its launches →
MissionCommunications · Direct-GEO
Communications · Direct-GEO
What it put in orbit6 catalogued objects, 1 of them satellites
| Object | Type | Orbit | Globe |
|---|---|---|---|
| SKYNET 4D 1998-002A | Payload | 36076 × 36129 km · 12.9° | Globe |
| DELTA 2 R/B(1) 1998-002B | Rocket body | 763 × 1288 km · 26.9° | Globe |
| DELTA 2 R/B(2) 1998-002C | Rocket body | 1159 × 36050 km · 23.6° | Globe |
| DELTA 2 DEB 1998-002D | Debris | re-entered 2000-04-12 | |
| DELTA 2 DEB 1998-002E | Debris | 753 × 1228 km · 26.9° | Globe |
| DELTA 2 DEB 1998-002F | Debris | re-entered 1999-05-31 |
COSPAR ID 1998-002. Orbits from the CelesTrak satellite catalogue (perigee × apogee, inclination).
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