(257515) Zapperudi Main-belt Asteroid
Discovered on 6 February 1997 by Linz at Linz.
Rudolf Zappe (b. 1928) has been a member of the Linzer Astronomische Gemeinschaft since 1953. He specializes in astronomical optical instruments and invented a special gearbox for transforming the eccentric to the true anomaly, especially for planetarium devices.Naming citation (MPC batch dated 2014-01-16), IAU / Minor Planet Center, via NASA/JPL
Where Zapperudi is today
Seen from above the solar system on 2026-10-14: Zapperudi is 2.77 au from the Sun and 2.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 257515 |
| Provisional designation | 1997 CD6 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.81 |
| Orbital period | 4.68 years |
| Semi-major axis | 2.80 au |
| Perihelion – aphelion | 2.38 – 3.21 au |
| Eccentricity | 0.148 |
| Inclination | 12.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.41 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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