(9809) Jimdarwin Main-belt Asteroid
Discovered on 13 September 1998 by LONEOS at Anderson Mesa.
James L. Darwin (b. 1939), instrument maker at Lowell Observatory, machined most of the parts for the refurbishment of the LONEOS Schmidt telescope and construction of its CCD camera.Naming citation (20000726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jimdarwin is today
Seen from above the solar system on 2026-10-14: Jimdarwin is 2.98 au from the Sun and 3.96 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9809 |
| Provisional designation | 1998 RZ5 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.3 |
| Orbital period | 4.22 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.16 – 3.07 au |
| Eccentricity | 0.175 |
| Inclination | 3.15° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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