(249544) Ianmclean Main-belt Asteroid
Discovered on 23 April 2010 by WISE at WISE.
Ian McLean (b. 1949) is a professor of astronomy at the University of California Los Angeles. He is an expert in astronomical instrumentation.Naming citation (MPC batch dated 2014-01-16), IAU / Minor Planet Center, via NASA/JPL
Where Ianmclean is today
Seen from above the solar system on 2026-10-14: Ianmclean is 3.00 au from the Sun and 3.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 249544 |
| Provisional designation | 2010 HQ44 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.76 km (#11,104 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0410 |
| Absolute magnitude (H) | 15.77 |
| Orbital period | 5.70 years |
| Semi-major axis | 3.19 au |
| Perihelion – aphelion | 2.60 – 3.78 au |
| Eccentricity | 0.185 |
| Inclination | 15.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.59 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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