ORS Mk.3 (ERS)
ORS 3 [USAF]
Payloads:
- ORS 3 (ERS 17): Trapped radiation measurements for correlation with Vela data, Cosmic rays, Solar and galactic gamma and X-rays, 5.4 kg, operated for 104 days
- ORS 4 (ERS 18): investigation of the Van Allen belts; carried six Geiger-Müller counters, low- and high-energy photomultiplier detectors, an X-ray detector, a solid state electron and proton detector and a surface barrier proton detector
Orbits:
- ORS 3: 153 km × 112964 km × 34.4°
- ORS 4: 8604 km × 111229 km × 32.8°
| Nation: | USA |
|---|---|
| Type / Application: | Experimental |
| Operator: | USAF |
| Contractors: | TRW Systems Group |
| Equipment: | various: see above |
| Configuration: | Octahedron (ORS Mk.3) |
| Propulsion: | None |
| Power: | Solar cells, batteries |
| Lifetime: | |
| Mass: | ? |
| Orbit: | various: see above |
| Satellite | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|
| ORS 3 (ERS 17) | 20.07.1965 | CC LC-13 | Atlas-LV3 Agena-D | with Vela 5, Vela 6 | |
| ORS 4 (ERS 18) | 28.04.1967 | CC LC-41 | Titan-3C | with Vela 7, Vela 8, OV5 1, OV5 3 |
Further ERS / ORS / TRS / TTS missions:
