(22498) Willman Main-belt Asteroid
Discovered on 5 June 1997 by Spacewatch at Kitt Peak.
Mark Willman (b. 1952) received his Ph.D. in planetary astronomy from the University of Hawaii's Institute for Astronomy and began working with Pan-STARRS1 in 2013. Name suggested by R. and P. Jedicke.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Willman is today
Seen from above the solar system on 2026-10-14: Willman is 2.86 au from the Sun and 2.57 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22498 |
| Provisional designation | 1997 LY2 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.11 |
| Orbital period | 5.65 years |
| Semi-major axis | 3.17 au |
| Perihelion – aphelion | 2.69 – 3.66 au |
| Eccentricity | 0.153 |
| Inclination | 6.98° |
| Closest distance between its orbit and Earth's (MOID) | 1.69 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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