Galileo (spacecraft)

Galileo

Artist's concept o Galileo at Io; the heich-gain antenna is fully deployed.
Mission teep	Jupiter orbiter
Operator	NASA
COSPAR ID	1989-084B
SATCAT no.	20298
Wabsteix	www2.jpl.nasa.gov/galileo/
Mission duration	14 years in space 8 years in Jovian orbit
Spacecraft properties
Manufacturer	Jet Propulsion Laboratory Messerschmitt-Bolkow-Blohm General Electric Hughes Aircraft Company
Launch mass	5,712 kilogram (12,593 lb)
Dry mass	2,380 kilogram (5,250 lb) Probe: 339 kilogram (747 lb)
Pouer	Orbiter: 570 watts Probe: 580 watts
Stairt o mission
Launch date	October 18, 1989, 16:53:40 (1989-10-18UTC16:53:40Z) UTC
Rocket	Space Shuttle Atlantis STS-34 / IUS
Launch steid	Kennedy LC-39B
Entered service	December 8, 1995[citation needit]
End of mission
Disposal	Deorbitit
Decay date	September 21, 2003, 18:57:00 (2003-09-21UTC18:58Z) UTC
Orbital parameters
Reference seestem	Zenocentric orbit
Fleebi o Venus (gravity assist)
Closest approach	Februar 10, 1990
Distance	16,106 kilometer (10,008 mi)
Fleebi o Earth (gravity assist)
Closest approach	December 8, 1990
Distance	960 kilometer (600 mi)
Fleebi o 7002951000000000000♠(951) Gaspra (incidental)
Closest approach	October 29, 1991
Distance	1,600 kilometer (990 mi)
Fleebi o Yird (gravity assist)
Closest approach	December 8, 1992
Distance	300 kilometer (190 mi)
Fleebi o 7002243000000000000♠(243) Ida (incidental)
Closest approach	August 28, 1993
Distance	2,400 kilometer (1,500 mi)
Jupiter atmospheric probe
Spacecraft component	Probe
Atmospheric entry	December 7, 1995, 22:04 UTC Operatit for 57 minutes
Impact steid	06°05′00″N 04°04′00″W at entry interface
Jupiter orbiter
Spacecraft component	Orbiter
Orbital insertion	December 8, 1995, 01:20:00 UTC

Galileo wis an American unmanned spacecraft that studied the planet Jupiter an its muins, as well as several ither Solar Seestem bouks.