(18561) Fengningding Main-belt Asteroid
Discovered on 4 March 1997 by LINEAR at Socorro.
Fengning Ding (b. 1994) is a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors, for his mathematics project. He attends the Phillips Academy, Andover, Massachusetts.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Fengningding is today
Seen from above the solar system on 2026-10-14: Fengningding is 2.95 au from the Sun and 3.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18561 |
| Provisional designation | 1997 EY34 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.55 |
| Orbital period | 4.94 years |
| Semi-major axis | 2.90 au |
| Perihelion – aphelion | 2.65 – 3.15 au |
| Eccentricity | 0.0869 |
| Inclination | 3.15° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 March 1997
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