Asgard impact structure
E683979
The Asgard impact structure is a vast, multi-ringed impact basin on Jupiter’s moon Callisto, notable as one of the largest and most prominent ancient craters in the outer Solar System.
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
impact basin
ⓘ
multi-ring impact structure ⓘ planetary surface feature ⓘ |
| ageRelativeTo | younger than Valhalla impact structure (uncertain, debated) ⓘ |
| centralRegionAlbedo | relatively bright ⓘ |
| classification | ancient degraded impact basin ⓘ |
| comparedWith | Valhalla impact structure NERFINISHED ⓘ |
| coordinateSystem | planetocentric coordinates of Callisto ⓘ |
| discoveredBy | Voyager mission imaging ⓘ |
| formationProcess | large impact event ⓘ |
| hasBody | Callisto NERFINISHED ⓘ |
| hasCentralRegion | bright central zone ⓘ |
| hasDiameter | ~1700 km ⓘ |
| hasGeologicalSignificance |
example of multi-ring basin formation
ⓘ
records early impact history of Callisto ⓘ |
| hasMorphology | multi-ring ⓘ |
| hasOuterRing | low-relief ring scarp ⓘ |
| hasRelativeAge | ancient ⓘ |
| hasRingStructure | concentric rings ⓘ |
| isFeatureOf | Callisto’s leading hemisphere (approximate) ⓘ |
| isOneOf |
largest impact structures on Callisto
ⓘ
largest multi-ring basins in outer Solar System ⓘ |
| isOnMoonOf | Jupiter NERFINISHED ⓘ |
| locatedIn |
Jupiter system
NERFINISHED
ⓘ
outer Solar System ⓘ |
| locatedOn | Callisto NERFINISHED ⓘ |
| mappedIn | USGS geologic maps of Callisto ⓘ |
| namedAfter | Asgard NERFINISHED ⓘ |
| nameOrigin | Norse mythology NERFINISHED ⓘ |
| observedBy |
Galileo spacecraft
NERFINISHED
ⓘ
Voyager 1 NERFINISHED ⓘ Voyager 2 NERFINISHED ⓘ |
| orbitsPrimary | Jupiter NERFINISHED ⓘ |
| outerRegionAlbedo | relatively dark ⓘ |
| ringCountApproximate | multiple concentric rings (more than two) ⓘ |
| ringTopography | concentric ridges and troughs ⓘ |
| surfaceCompositionContext | water-ice rich crust of Callisto ⓘ |
| surfaceModification |
subsequent cratering
ⓘ
tectonic relaxation ⓘ |
| surfaceType | heavily cratered terrain ⓘ |
| usedFor |
comparisons with multi-ring basins on Ganymede
ⓘ
studies of impact mechanics in icy satellites ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.