(198717) Szymczyk Main-belt Asteroid
Discovered on 13 February 2005 by A. Lowe at Mayhill.
Bill Szymczyk (b. 1943) is an American music producer and audio engineer. He is associated with many top rock and blues albums and singles of the 1970s.Naming citation (MPC batch dated 2015-11-25), IAU / Minor Planet Center, via NASA/JPL
Where Szymczyk is today
Seen from above the solar system on 2026-10-14: Szymczyk is 3.04 au from the Sun and 3.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 198717 |
| Provisional designation | 2005 CM61 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.66 km (#11,312 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0680 |
| Absolute magnitude (H) | 15.57 |
| Orbital period | 5.29 years |
| Semi-major axis | 3.04 au |
| Perihelion – aphelion | 2.69 – 3.38 au |
| Eccentricity | 0.115 |
| Inclination | 11.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.72 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Bill