(101491) Grahamcrombie Main-belt Asteroid
Discovered on 1 December 1998 by I. P. Griffin at Cocoa.
Graham William Crombie (1963-2019) was a New Zealand-born chartered accountant. As Chairman of the Otago Museum Trust Board between 2011 and 2019, he championed the construction of the world's southernmost planetarium, which opened in December 2015.Naming citation (MPC batch dated 2019-12-12), IAU / Minor Planet Center, via NASA/JPL
Where Grahamcrombie is today
Seen from above the solar system on 2026-10-14: Grahamcrombie is 2.24 au from the Sun and 2.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 101491 |
| Provisional designation | 1998 XA |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.30 km (#14,470 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0770 |
| Absolute magnitude (H) | 16.11 |
| Orbital period | 4.09 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 1.77 – 3.35 au |
| Eccentricity | 0.310 |
| Inclination | 13.8° |
| Closest distance between its orbit and Earth's (MOID) | 0.810 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Graham
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- (333373) Grahammiller
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All asteroids named after someone called Graham