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
|
| 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 |
gptkb: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
|
| http://www.w3.org/2000/01/rdf-schema#label |
asteroid 729 Watsonia
|