(31380) Hegyesi Main-belt Asteroid
Discovered on 14 December 1998 by LINEAR at Socorro.
Hegyesi Donat Sandor (b. 1995) was awarded second place in the 2014 Intel International Science and Engineering Fair for his electrical and mechanical engineering project. He attends the Toth Arpad High School, Debrecen, Hungary.Naming citation (MPC batch dated 2015-07-02), IAU / Minor Planet Center, via NASA/JPL
Where Hegyesi is today
Seen from above the solar system on 2026-10-14: Hegyesi is 2.48 au from the Sun and 2.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31380 |
| Provisional designation | 1998 XA73 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.38 km (#16,484 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.376 |
| Absolute magnitude (H) | 15.27 |
| Orbital period | 3.64 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 2.22 – 2.50 au |
| Eccentricity | 0.0595 |
| Inclination | 6.89° |
| Closest distance between its orbit and Earth's (MOID) | 1.25 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 14 December 1998
- (15042) Anndavgui
- (15452) Ibramohammed
- (15989) Anusha
- (27141) Krystleleung
- (28201) Lifubin
- (28204) Liyakang
- (28206) Haozhongning
- (28207) Blakesmith
- (28208) Timtrippel
- (28209) Chatterjee
- (28210) Howardfeng
- (29681) Saramanshad