(117640) Millsellie Main-belt Asteroid
Discovered on 9 March 2005 by Mt. Lemmon Survey at Mount Lemmon.
Amelia Lucas (b. 2014) and Eloise Thornton (b. 2014) were born during the OSIRIS-REx Mission. Mills, daughter of Kristen and Scott Lucas, and Ellie, daughter of Jennifer and Kevin Thornton, enjoy exploring new frontiers, hearing about the universe, and looking at stars with their grandparents Thomas and Karen Connors.Naming citation (MPC batch dated 2018-05-29), IAU / Minor Planet Center, via NASA/JPL
Where Millsellie is today
Seen from above the solar system on 2026-10-14: Millsellie is 2.32 au from the Sun and 2.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 117640 |
| Provisional designation | 2005 EK137 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.79 |
| Orbital period | 3.25 years |
| Semi-major axis | 2.20 au |
| Perihelion – aphelion | 1.86 – 2.53 au |
| Eccentricity | 0.154 |
| Inclination | 5.43° |
| Closest distance between its orbit and Earth's (MOID) | 0.853 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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