Q59113

Pioneer 11 is a NASA robotic space probe launched on April 5, 1973, to study the asteroid belt, the environment around Jupiter and Saturn, the solar wind, and cosmic rays. It was the first probe to encounter Saturn, the second to fly through the asteroid belt, and the second to fly by Jupiter. Later, Pioneer 11 became the second of five artificial objects to achieve an escape velocity allowing it to leave the Solar System. Due to power constraints and the vast distance to the probe, the last routine contact with the spacecraft was on September 30, 1995, and the last good engineering data was received on November 24, 1995.

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1973 Website,  Wikimedia, Wikidata
Pioneer G
space probe, Atlas-Centaur, 

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Location: KML, Cluster Map, Maps,

1973-04-06T00:00:00Z

1973-04-06T00:00:00Z

1973 Pioneer 11

1974-12-03T00:00:00Z

1974-12-03T00:00:00Z

planetary flyby

1973-04-06T00:00:00Z

1973-04-06T00:00:00Z

rocket launch

1979-09-01T00:00:00Z

1979-09-01T00:00:00Z

planetary flyby

1995-09-30T00:00:00Z

1995-09-30T00:00:00Z

loss of signal

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Frameless

Pioneer 11 at Saturn

Pioneer 11 - p42

Pioneer10-11-wb

Pioneer 10 - Pioneer 11 - mission patch - pioneer patch

Pioneer 10 - Pioneer 11 - thrusters - p43

An illustration (cropped image) of Pioneer 10 leaving the Solar System.

Pioneer-G

CAPE KENNEDY, Fla. -- In the AO Building at Cape Kennedy Air Force Station in Florida, the Pioneer G spacecraft awaits the installation of its protective payload fairing.

Pioneer 11 prior to launch

Dr James Van Allen (L) and Dr E. J. Smith (R) during press conference for Pioneer 11 Jupiter encounter

• Infrared radiometer for the pioneer 10 and 11 missions to jupiter - scientific article, Q1860, 1974

Type	Subtype	Date	Description	Notes	Source
commons	image		Pioneer 11 at Saturn		Commons
commons	image		Pioneer 11 - p42		Commons
commons	image		Pioneer10-11-wb		Commons
commons	image		Pioneer 10 - Pioneer 11 - mission patch - pioneer patch		Commons
commons	image		Pioneer 10 - Pioneer 11 - thrusters - p43		Commons
commons	image		An illustration (cropped image) of Pioneer 10 leaving the Solar System.		Commons
commons	image		Pioneer-G		Commons
commons	image		CAPE KENNEDY, Fla. -- In the AO Building at Cape Kennedy Air Force Station in Florida, the Pioneer G spacecraft awaits the installation of its protective payload fairing.		Commons
commons	image		Pioneer 11 prior to launch		Commons
commons	image		Dr James Van Allen (L) and Dr E. J. Smith (R) during press conference for Pioneer 11 Jupiter encounter		Commons