 Explorer 40 satellite | |
| Names | Injun 5 IE-C Ionospheric Explorer-C |
|---|---|
| Mission type | Ionospheric research |
| Operator | NASA |
| COSPAR ID | 1968-066B |
| SATCAT no. | 03338 |
| Spacecraft properties | |
| Spacecraft | Explorer XL |
| Spacecraft type | Ionospheric Explorer |
| Bus | Injun |
| Manufacturer | University of Iowa |
| Launch mass | 71.4 kg (157 lb) |
| Power | Solar cells and rechargeable batteries |
| Start of mission | |
| Launch date | 8 August 1968, 20:12:00 GMT[1] |
| Rocket | Scout B (S-165C) |
| Launch site | Vandenberg, SLC-5 |
| Contractor | Vought |
| Entered service | 8 August 1968 |
| End of mission | |
| Last contact | Early June 1971 |
| Orbital parameters | |
| Reference system | Geocentric orbit[2] |
| Regime | Low Earth orbit |
| Perigee altitude | 665 km (413 mi) |
| Apogee altitude | 2,525 km (1,569 mi) |
| Inclination | 80.70° |
| Period | 118.30 minutes |
| Instruments | |
| Low-Energy Proton and Electron Differential Energy Analyzer (LEPEDEA) Solid-State Particle Detector Spherical Retarding Potential Analyzer VLF Receiver, 30 cps - 16 kc | |
Explorer program | |
Explorer 40 (or Injun 5), was a NASA magnetically aligned satellite launched simultaneously with Explorer 39 (AD-C) (Air Density experiment) using a Scout B launch vehicle.[3]
- ^ "Launch Log". Jonathan's Space Report. 21 July 2021. Retrieved 13 November 2021.
- ^ "Trajectory: Explorer 40 (Injun 5) 1968-066B". NASA. 28 October 2021. Retrieved 13 November 2021.
This article incorporates text from this source, which is in the public domain.
- ^ "Display: Explorer 40 (Injun 5) 1968-066B". NASA. 28 October 2021. Retrieved 13 November 2021. This article incorporates text from this source, which is in the public domain.
