Mariner 5
Mariner 5 (Mariner V or Mariner Venus 1967) was a spacecraft of the Mariner program that carried a complement of experiments to probe Venus' atmosphere by radio occultation, measure the hydrogen Lyman-alpha (hard ultraviolet) spectrum, and sample the solar particles and magnetic field fluctuations above the planet. Its goals were to measure interplanetary and Venusian magnetic fields, charged particles, plasma, radio refractivity and UV emissions of the Venusian atmosphere.
Mariner 5 | |
| Mission type | Venus flyby |
|---|---|
| Operator | NASA / JPL |
| COSPAR ID | 1967-060A |
| SATCAT no. | 2845 |
| Mission duration | 1 year, 4 months and 21 days |
| Spacecraft properties | |
| Manufacturer | Jet Propulsion Laboratory |
| Launch mass | 244.9 kilograms (540 lb) |
| Power | 170 W |
| Start of mission | |
| Launch date | June 14, 1967, 06:01:00 UTC |
| Rocket | Atlas-SLV3 Agena-D |
| Launch site | Cape Canaveral LC-12 |
| End of mission | |
| Last contact | Loss of contact December 4, 1967; briefly regained October 14, 1968 |
| Flyby of Venus | |
| Closest approach | October 19, 1967 |
| Distance | 3,990 kilometers (2,480 miles) |
| Instruments | |
| Ultraviolet Photometer Two-Frequency Beacon Receiver S-Band Occultation Helium-Vector Magnetometer Solar-Plasma Probe Trapped Radiation Detector | |
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