1968-066B
The Injun V satellite, Explorer 40, was launched on 1968 Aug 8. It studied magnetospheric trapped particles.
On orbit mass was 71 kg including the ADE ejection hardware. It had a dry nitrogen gas despin system. The satellite was a hex cyl 0.74m high 0.76m dia with five booms. Span is about 5m? The satellite was built by SUI.
The satellite mapped out auroral precipitation patterns, made coordinated particle, VLF and E field observations and discovered trapped heavy nuclei. After NASA ended support the Iowa team carried out a short extended mission with German funding.
| Injun 5 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1968 Aug 8 | 2012:00 | Launch by Scout | V SLC5 |
| 2013 | Algol burnout T+1:16 | ||
| 2013 | Castor burn T+1:18 | ||
| T+1:56 Castor burnout | |||
| 2014 | Antares burn T+2:00 | ||
| 2014 | Coast T+2:35 | ||
| T+10:03 Spinup | |||
| T+10:04 Antares sep | |||
| 2022:08 | T+10:08 FW4S burn | ||
| 2022:40 | T+10:40 FW4S burnout | ||
| 2040:04 | T+28:04 AD inflation and sep from Injun | ||
| 2110:03 | T+58:03 Injun sep from FW4S | ||
| 1968 Aug 10 | 118.32 690 x 2520 x 80.7 | ||
| 1970 Mar 4 | 118.30 679 x 2529 x 80.7 | ||
| 1970 May 31 | End of NASA operations | ||
| 1971 Feb 19 | Begin extended mission | ||
| 1971 Jun 7 | End extended mission | ||
| 1971 Jun 9 | 118.29 680 x 2527 x 80.7 | ||
Payload:
- LEPEDEA Low Energy Proton Electron Differential Energy Analyzer (SUI/Frank)
- SSD Solid State Detector experiment (SUI/Krimigis), includes a proton-electron telescope and an alpha detector.
- VLF VLF Experiment (SUI/Gurnett), 30 Hz-10 kHz
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