(249300) Karenmortfield Main-belt Asteroid
Discovered on 18 October 2008 by Auberry at Auberry.
Karen Mortfield (b. 1958) is a Canadian public affairs specialist. As a volunteer, she played a leadership role in the renaissance of the David Dunlap Observatory in Canada, working from 2009-2017 to repurpose the 80-year old Observatory as a space science campus.Naming citation (MPC batch dated 2018-10-26), IAU / Minor Planet Center, via NASA/JPL
Where Karenmortfield is today
Seen from above the solar system on 2026-10-14: Karenmortfield is 2.43 au from the Sun and 3.25 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 249300 |
| Provisional designation | 2008 UY |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.42 km (#16,419 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0630 |
| Absolute magnitude (H) | 16.84 |
| Orbital period | 4.09 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.42 – 2.70 au |
| Eccentricity | 0.0553 |
| Inclination | 3.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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