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Pioneer 11
CompletedNASA
Image: NASA/Don Davis · Public domain · Wikimedia Commons
- Launched
- 6 Apr 197302:11:00 UTC
- Last contact
- 24 Nov 1995
- End declared
- 30 Sept 1995
- Duration
- 22 years 7 months
The second spacecraft to fly past Jupiter and the first to reach Saturn, passing within 21,000 km of its cloud tops in 1979.
Milestones
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Launch6 Apr 1973Jupiter flyby3 Dec 1974Saturn flyby1 Sept 1979Last signal24 Nov 1995
Spacecraft
Twin of Pioneer 10, with an added magnetometer for measuring strong magnetic fields.
- Launch mass
- 270 kg
- Dry mass
- 243 kg
- Size
- 2.9 m × 2.7 m
- Power
- Radioisotope
- Last contact
- 24 Nov 1995
- End declared
- 30 Sept 1995
- Designator
- 1973-019A
Mission details from science.nasa.gov.