Hilda group

GPTKB entity

Statements (39)
Predicate Object
gptkbp:instanceOf gptkb:asteroid
gptkbp:contains gptkb:153_Hilda
1102 Pepita
1162 Larissa
1208 Troilus
1269 Rolland
1328 Devota
1539 Borrelly
1746 Brouwer
1911 Schubart
2483 Guinevere
334 Chicago
3564 Talthybius
449 Hampson
563 Suleika
gptkbp:discoveredBy gptkb:Johann_Palisa
gptkbp:eccentricity 0.07–0.30
gptkbp:firstDescribed 1911
https://www.w3.org/2000/01/rdf-schema#label Hilda group
gptkbp:inclination 0–20 degrees
gptkbp:locatedIn outer asteroid belt
gptkbp:meanAbsoluteMagnitude 10–15
gptkbp:meanAlbedo low (dark surfaces)
gptkbp:meanDiameterRange 10–200 km
gptkbp:namedAfter gptkb:153_Hilda
gptkbp:notableFor distinct from Jupiter Trojans
no known family structure
stable orbits due to Jupiter resonance
triangular distribution in orbital elements
gptkbp:orbitalNodes clustered at 120° intervals from Jupiter
gptkbp:orbitalResonanceRatio 3:2
gptkbp:orbitalResonanceWith gptkb:Jupiter
gptkbp:orbitType 7.9 years
gptkbp:populationEstimate over 1100 known members
gptkbp:semiMajorAxis 3.97 AU
gptkbp:shape elliptical
gptkbp:spectralType mostly D-type and P-type asteroids
gptkbp:bfsParent gptkb:Asteroid_Belt
gptkbp:bfsLayer 6