(257296) Jessicaamy Main-belt Asteroid
Discovered on 20 April 2009 by M. Todd at Zadko.
Jessica Amy Todd (b. 1994) is a daughter of the discoverer.Naming citation (MPC batch dated 2015-03-05), IAU / Minor Planet Center, via NASA/JPL
Where Jessicaamy is today
Seen from above the solar system on 2026-10-14: Jessicaamy is 2.57 au from the Sun and 2.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 257296 |
| Provisional designation | 2009 HT57 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.48 |
| Orbital period | 4.14 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.28 – 2.88 au |
| Eccentricity | 0.115 |
| Inclination | 13.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.32 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Jessica
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