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307 records
Snapshot 2026-09-06
Active filters: Johns Hopkins University Applied Physics Laboratory
Open the explorerNot carried: Johns Hopkins University Applied Physics Laboratory.
Launched 2006
Active missionNASA's active New Horizons mission performed the first close exploration of Pluto and later flew past Arrokoth, the most distant object explored up close.
Launched 2004
Completed · SuccessNASA Discovery-class orbiter, built and operated by the Johns Hopkins University Applied Physics Laboratory, that became the first spacecraft to orbit Mercury. After one Earth, two Venus and three Mercury gravity-assist flybys it entered Mercury orbit on 18 March 2011 UTC, characterised the planet's surface composition, geological history, magnetic field and exosphere, verified water ice in permanently shadowed polar craters, and ended by impacting Mercury on 30 April 2015 after exhausting its propellant.