About: International Cometary Explorer   Sponge Permalink

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The International Cometary Explorer (ICE) spacecraft (designed and launched as the International Sun-Earth Explorer-3 (ISEE-3) satellite), was launched August 12, 1978, into a heliocentric orbit. It was one of three spacecraft, along with the mother/daughter pair of ISEE-1 and ISEE-2, built for the International Sun-Earth Explorer (ISEE) program, a joint effort by NASA and ESRO/ESA to study the interaction between the Earth's magnetic field and the solar wind. NASA suspended routine contact with ISEE-3 in 1997, and made brief status checks in 1999 and 2008.

AttributesValues
rdf:type
rdfs:label
  • International Cometary Explorer
rdfs:comment
  • The International Cometary Explorer (ICE) spacecraft (designed and launched as the International Sun-Earth Explorer-3 (ISEE-3) satellite), was launched August 12, 1978, into a heliocentric orbit. It was one of three spacecraft, along with the mother/daughter pair of ISEE-1 and ISEE-2, built for the International Sun-Earth Explorer (ISEE) program, a joint effort by NASA and ESRO/ESA to study the interaction between the Earth's magnetic field and the solar wind. NASA suspended routine contact with ISEE-3 in 1997, and made brief status checks in 1999 and 2008.
sameAs
COSPAR ID
  • 1978(xsd:integer)
dcterms:subject
dbkwik:nasa/proper...iPageUsesTemplate
deactivated
  • 1997-05-05(xsd:date)
Previous Mission
Power
  • 173.0
SATCAT
  • 11004(xsd:integer)
Mission Duration
  • Final:
disposal type
  • Contact suspended
Name
  • International Cometary Explorer
orbit apoapsis
  • 1.03
orbit periapsis
  • 0.93
Image caption
  • Artist rendering of ICE
Manufacturer
orbit period
  • 3.0672E7
orbit inclination
  • 0(xsd:double)
Operator
  • NASA, ESA
launch site
names list
  • Explorer 59
  • International Sun-Earth Explorer-3
  • International Sun-Earth Explorer-C
Mission Type
  • ICE: 21P/G-Z & Halley fly-by
  • ISEE-3: Earth/Moon orbiter
  • Magnetospheric research
apsis
  • helion
Programme
launch rocket
  • Delta 2914 #144
Launch date
  • --08-12
orbit epoch
  • --03-28
Next Mission
orbit reference
orbit eccentricity
  • 0(xsd:double)
abstract
  • The International Cometary Explorer (ICE) spacecraft (designed and launched as the International Sun-Earth Explorer-3 (ISEE-3) satellite), was launched August 12, 1978, into a heliocentric orbit. It was one of three spacecraft, along with the mother/daughter pair of ISEE-1 and ISEE-2, built for the International Sun-Earth Explorer (ISEE) program, a joint effort by NASA and ESRO/ESA to study the interaction between the Earth's magnetic field and the solar wind. ISEE-3 was the first spacecraft to be placed in a halo orbit at the Earth-Sun Lagrangian point. Renamed ICE, it became the first spacecraft to visit a comet, passing through the plasma tail of Comet Giacobini-Zinner within about km (mi) of the nucleus on September 11, 1985. NASA suspended routine contact with ISEE-3 in 1997, and made brief status checks in 1999 and 2008. On May 29, 2014, two-way communication with the spacecraft was reestablished by the ISEE-3 Reboot Project, an unofficial group with support from the Skycorp company. On July 2, 2014, they fired the thrusters for the first time since 1987. However, later firings of the thrusters failed, apparently due to a lack of nitrogen pressurant in the fuel tanks. The project team initiated an alternative plan to use the spacecraft to "collect scientific data and send it back to Earth," but on September 16, contact with the probe was lost.
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