Dawn
E502415
Dawn was a NASA space probe that studied the protoplanet Vesta and the dwarf planet Ceres in the asteroid belt using ion propulsion.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
NASA space probe
ⓘ
interplanetary spacecraft ⓘ |
| CeresArrivalDate | 2015-03-06 ⓘ |
| CeresOrbitInsertionDate | 2015-03-06 ⓘ |
| communicationLostDate | 2018-10-31 ⓘ |
| discoveredFeatureOnCeres | bright spots in Occator Crater ⓘ |
| discoveryProgramMissionNumber | ninth Discovery mission ⓘ |
| dryMass | 747 kg ⓘ |
| enteredOrbitAround |
Ceres
NERFINISHED
ⓘ
Vesta NERFINISHED ⓘ |
| foundEvidenceOf |
past hydrothermal activity on Ceres
ⓘ
subsurface ice on Ceres ⓘ |
| ionThrusterType | xenon ion thruster ⓘ |
| launchCountry |
United States of America
ⓘ
surface form:
United States
|
| launchDate | 2007-09-27 ⓘ |
| launchSite | Cape Canaveral Air Force Station Space Launch Complex 17B NERFINISHED ⓘ |
| launchVehicle | Delta II 7925H-9.5 NERFINISHED ⓘ |
| length | 2.36 m ⓘ |
| manufacturer | Orbital Sciences Corporation NERFINISHED ⓘ |
| MarsFlybyDate | 2009-02-17 ⓘ |
| massAtLaunch | 1217 kg ⓘ |
| missionEndDate | 2018-11-01 ⓘ |
| missionFirst |
first spacecraft to orbit a dwarf planet
ⓘ
first spacecraft to orbit two extraterrestrial bodies ⓘ |
| missionStatus | mission complete ⓘ |
| missionType |
asteroid belt exploration
ⓘ
planetary science ⓘ |
| numberOfIonThrusters | 3 ⓘ |
| objective |
investigate conditions and processes of early solar system
ⓘ
study the structure and composition of Ceres ⓘ study the structure and composition of Vesta ⓘ |
| operator | NASA ⓘ |
| powerSource | solar panels ⓘ |
| primaryPropulsion | ion propulsion ⓘ |
| program | NASA Discovery Program NERFINISHED ⓘ |
| propulsionType | solar electric propulsion ⓘ |
| reasonForMissionEnd | hydrazine depletion ⓘ |
| scientificInstrument |
framing camera
ⓘ
gamma ray and neutron detector ⓘ visible and infrared mapping spectrometer ⓘ |
| solarArraySpan | 19.7 m ⓘ |
| spaceAgency | NASA Jet Propulsion Laboratory NERFINISHED ⓘ |
| studiedBody |
1 Ceres
NERFINISHED
ⓘ
4 Vesta NERFINISHED ⓘ |
| target |
dwarf planet Ceres
NERFINISHED
ⓘ
protoplanet Vesta NERFINISHED ⓘ |
| trajectoryAssist | Mars gravity assist ⓘ |
| VestaDepartureDate | 2012-09-05 ⓘ |
| VestaOrbitInsertionDate | 2011-07-16 ⓘ |
| xenonPropellantMass | 425 kg ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.