diff --git a/Observatory/AMDA/Giotto.xml b/Observatory/AMDA/Giotto.xml index 71338c1..5118b3c 100644 --- a/Observatory/AMDA/Giotto.xml +++ b/Observatory/AMDA/Giotto.xml @@ -5,9 +5,19 @@ <ResourceID>spase://CDPP/Observatory/AMDA/Giotto</ResourceID> <ResourceHeader> <ResourceName>Giotto</ResourceName> - <AlternateName> </AlternateName> + <AlternateName>ESA's first deep space mission: P1/Halley Flyby</AlternateName> <ReleaseDate>2010-09-27T18:45:12Z</ReleaseDate> - <Description>ESA's first deep space mission: P1/Halley Flyby</Description> + <Description>Source: ESA PSA (http://www.rssd.esa.int/index.php?project=PSA&page=giotto) + +ESA's first deep space mission, Giotto was designed to help solve the mysteries +surrounding Comet Halley by passing as close as possible to the comet's nucleus, +which it achieved on 14 March 1986 at a distance of just under 600 km. No-one +expected the spacecraft to survive its battering from comet dust during this encounter, +but although Giotto was damaged during the flyby, most of its instruments remained operational. +The mission was extended to allow a additional encounter with comet Grigg-Skjellerup on 10 July 1992, at a +distance of around 200 km. + +Time in GIOTTO datasets is always a satellite time (SCET)</Description> <Contact> <PersonID> </PersonID> <Role>ProjectScientist</Role> diff --git a/Observatory/AMDA/ICE.xml b/Observatory/AMDA/ICE.xml index 36b1933..42a4734 100644 --- a/Observatory/AMDA/ICE.xml +++ b/Observatory/AMDA/ICE.xml @@ -5,9 +5,25 @@ <ResourceID>spase://CDPP/Observatory/AMDA/ICE</ResourceID> <ResourceHeader> <ResourceName>ICE</ResourceName> - <AlternateName> </AlternateName> + <AlternateName>International Cometary Explorer : Giacobini-Zinner Flyby</AlternateName> <ReleaseDate>2010-09-27T18:45:12Z</ReleaseDate> - <Description>International Cometary Explorer : Giacobini-Zinner Flyby</Description> + <Description>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 L1 Earth-Sun Lagrangian point. +Renamed ICE, it became the first spacecraft to visit a comet, passing through the tail of Comet Giacobini-Zinner +within about 7,800 km of the nucleus. 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[4] 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.[8][9] The project team will pursue an alternative plan to use the spacecraft to +"collect scientific data and send it back to Earth.</Description> <Contact> <PersonID> </PersonID> <Role>ProjectScientist</Role> -- libgit2 0.21.2