(31503) Jessicahong Main-belt Asteroid
Discovered on 12 February 1999 by LINEAR at Socorro.
Jessica Hong (b. 1997) was awarded second place in the 2014 Intel International Science and Engineering Fair for her chemistry team project. She attends the Plano Senior High School, Plano, Texas, U.S.A.Naming citation (MPC batch dated 2015-07-02), IAU / Minor Planet Center, via NASA/JPL
Where Jessicahong is today
Seen from above the solar system on 2026-10-14: Jessicahong is 2.22 au from the Sun and 1.61 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31503 |
| Provisional designation | 1999 CH72 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 39.6 hours |
| Absolute magnitude (H) | 15.18 |
| Orbital period | 4.04 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 2.06 – 3.02 au |
| Eccentricity | 0.189 |
| Inclination | 5.65° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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