(25858) Donherbert Main-belt Asteroid
Discovered on 10 March 2000 by CSS at Catalina.
Don Herbert (aka “Mr. Wizard”, 1917–2007) was the creator and host of Watch Mr. Wizard and Mr. Wizard's World, programs that brought science to millions of children from 1950 to 1990 and that inspired generations of budding scientists.Naming citation (WGSBN Bull. 4, #12, 5), IAU / Minor Planet Center, via NASA/JPL
Where Donherbert is today
Seen from above the solar system on 2026-10-14: Donherbert is 3.12 au from the Sun and 3.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25858 |
| Provisional designation | 2000 EO204 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.33 km (#6,283 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.255 |
| Rotation period | 3.01 hours |
| Absolute magnitude (H) | 12.6 |
| Orbital period | 5.31 years |
| Semi-major axis | 3.04 au |
| Perihelion – aphelion | 2.89 – 3.19 au |
| Eccentricity | 0.0493 |
| Inclination | 16.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.92 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Don
Also discovered on 10 March 2000
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