(15072) Landolt Main-belt Asteroid
Discovered on 25 January 1999 by Cooney Jr., W. R., Motl, P. M. at Baton Rouge.
Through four decades of meticulous observations, Arlo U. Landolt (b. 1935) has established the widely used Landolt Photometric Standard Stars. Professor at Louisiana State University, he was secretary of the American Astronomical Society during 1980-1989 and since 1995, the year he received its Van Biesbroeck Award.Naming citation (20001013/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Landolt is today
Seen from above the solar system on 2026-10-14: Landolt is 2.22 au from the Sun and 2.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15072 |
| Provisional designation | 1999 BS12 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.42 |
| Orbital period | 3.69 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 2.05 – 2.72 au |
| Eccentricity | 0.140 |
| Inclination | 5.10° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.