Launch Overview
Vehicle
Thor Delta C
Agency
United States Air Force
Site / Pad
CC / LC17B
Outcome
Success
Flight
387/D021
COSPAR Designator
1963-046
Mission
Explorer 18 (Astrophysics)
Explorer 18 (IMP 1, Interplanetary Monitoring Platform) was a solar-cell and chemical-battery powered spacecraft instrumented for interplanetary and distant magnetospheric studies of energetic particles, cosmic rays, magnetic fields, and plasmas.
Vehicle & Provider
Rocket
Thor Delta C
Provider
United States Air Force
Agency launches
169 (43 YTD)
Site launches
104 (10 YTD)
Pad launches
17 (4 YTD)
Payloads (12)
| Piece | Name | Owner | State | Track |
|---|---|---|---|---|
| 1963-046 | AJ10-118D S/N 20012 | GSFC | US | |
| 1963-046 | Altair 2 X-258B2 RH-60 | LARCN | US | |
| 1963-046 | Explorer 18 despin weight | GSFC | US | |
| 1963-046 | Explorer 18 despin weight | GSFC | US | |
| 1963-046 | Thor DSV-2A 387 | GSFC | ||
| 1963-046 | Fairing | GSFC | ||
| 1963-046 | Fairing | GSFC | ||
| 1963-046 | X-258B2 RH-60 | LARCN | US | |
| 1963-046 | Explorer 18 despin weight | GSFC | US | |
| 1963-046 | Explorer 18 despin weight | GSFC | US | |
| 1963-046A | IMP A | GSFC | US | Track |
| 1963-046A | IMP A | GSFC | US |