(172947) Baeyens Main-belt Asteroid
Discovered on 13 May 2005 by Mount Lemmon Survey at Mount Lemmon.
Dennis A. Baeyens (b. 1946) is a molecular Biologist who earned a PhD at Michigan State University.Naming citation (WGSBN Bull. 4, #15, 5), IAU / Minor Planet Center, via NASA/JPL
Where Baeyens is today
Seen from above the solar system on 2026-10-14: Baeyens is 2.79 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 172947 |
| Provisional designation | 2005 JQ138 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.62 |
| Orbital period | 5.20 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.76 – 3.24 au |
| Eccentricity | 0.0807 |
| Inclination | 11.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.75 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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