(20156) Herbwindolf Main-belt Asteroid
Discovered on 13 October 1996 by P. G. Comba at Prescott.
Herbert Windolf of Prescott, Arizona, is a very dear and generous friend who was particularly helpful and supportive during the long terminal illness of the discoverer's wife. Windolf is widely interested in scientific matters and a great enthusiast for space exploration.Naming citation (20020526/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Herbwindolf is today
Seen from above the solar system on 2026-10-14: Herbwindolf is 2.35 au from the Sun and 2.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20156 |
| Provisional designation | 1996 TU11 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.39 |
| Orbital period | 3.43 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 2.05 – 2.49 au |
| Eccentricity | 0.0968 |
| Inclination | 7.97° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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