Statements (24)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:asteroid
|
gptkbp:albedo |
0.19
|
gptkbp:aphelion |
3.11 AU
|
gptkbp:apparentMagnitude |
9.7
|
gptkbp:diameter |
~34 km
|
gptkbp:discoveredBy |
Joel Hastings Metcalf
|
gptkbp:discoveredIn |
1912-02-09
|
gptkbp:discoverySite |
gptkb:Winchester,_Massachusetts,_USA
|
gptkbp:eccentricity |
0.13
|
gptkbp:epoch |
2021-07-01
|
https://www.w3.org/2000/01/rdf-schema#label |
asteroid 729 Watsonia
|
gptkbp:inclination |
18.8 degrees
|
gptkbp:meanAnomaly |
44.2 degrees
|
gptkbp:meanMotion |
0.216 deg/day
|
gptkbp:minorPlanetNumber |
729
|
gptkbp:namedAfter |
James C. Watson
|
gptkbp:orbitType |
main-belt asteroid
4.56 years |
gptkbp:perihelion |
2.39 AU
|
gptkbp:rotationPeriod |
25.2 hours
|
gptkbp:semiMajorAxis |
2.75 AU
|
gptkbp:spectralType |
gptkb:S-type
|
gptkbp:bfsParent |
gptkb:James_Craig_Watson
|
gptkbp:bfsLayer |
7
|