(12203) Gehling Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Russell Neel Gehling (b. 1959) contributed to NASA's Lucy Trojan asteroid mission as the Solar Array Principal Engineer, until his retirement.Naming citation (WGSBN Bull. 1, #9, 10), IAU / Minor Planet Center, via NASA/JPL
Where Gehling is today
Seen from above the solar system on 2026-10-14: Gehling is 2.80 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12203 |
| Provisional designation | 1981 EO19 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.3 |
| Orbital period | 5.15 years |
| Semi-major axis | 2.98 au |
| Perihelion – aphelion | 2.76 – 3.20 au |
| Eccentricity | 0.0732 |
| Inclination | 8.76° |
| Closest distance between its orbit and Earth's (MOID) | 1.80 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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