(50717) Jimfox Main-belt Asteroid
Discovered on 11 March 2000 by CSS at Catalina.
Jim Fox (b. 1945) started in astronomy in the 1950s with a “Junior Moon-Watch Team”. He is the founder of what became the Minnesota Astronomical Society as well as a past President of the Astronomical League (1990--94). He was awarded the 2014 Leslie C. Peltier Award from the AAVSO.Naming citation (MPC batch dated 2018-01-31), IAU / Minor Planet Center, via NASA/JPL
Where Jimfox is today
Seen from above the solar system on 2026-10-14: Jimfox is 3.09 au from the Sun and 2.69 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 50717 |
| Provisional designation | 2000 EN138 |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.0 km (#4,074 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0560 |
| Absolute magnitude (H) | 13.42 |
| Orbital period | 4.65 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.35 – 3.23 au |
| Eccentricity | 0.158 |
| Inclination | 15.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.39 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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