(47650) Tuthill Main-belt Asteroid
Discovered on 1 February 2000 by CSS at Catalina.
Roger W. Tuthill (1919–2000) was a long-time member of Amateur Astronomer's, Inc., Stellafane, the United Astronomy Clubs of New Jersey (USA), and many other astronomy organizations. He was well known for eclipse chasing, having observed at least 18 total solar eclipses and was well known for his innovative astronomical products and thin-film solar filters.Naming citation (WGSBN Bull. 3, #4, 7), IAU / Minor Planet Center, via NASA/JPL
Where Tuthill is today
Seen from above the solar system on 2026-10-14: Tuthill is 2.69 au from the Sun and 1.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 47650 |
| Provisional designation | 2000 CU40 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.46 km (#9,768 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.340 |
| Absolute magnitude (H) | 13.45 |
| Orbital period | 4.83 years |
| Semi-major axis | 2.86 au |
| Perihelion – aphelion | 2.67 – 3.04 au |
| Eccentricity | 0.0650 |
| Inclination | 6.20° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Roger
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- (6651) Rogervenable
- (8168) Rogerbourke
- (9452) Rogerpeeters
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- (24858) Diethelm
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- (29874) Rogerculver
All asteroids named after someone called Roger
Also discovered on 1 February 2000
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