(238710) Halassy Main-belt Asteroid
Discovered on 4 April 2005 by K. Sarneczky at Piszkesteto.
Olivér Halassy (1909-1946) was a Hungarian water polo player and freestyle swimmer, who won two gold and one silver medal in three Summer Olympics Games between 1928 and 1936. He was the first amputee swimmer to compete in the Olympics. He also became European champion in the 1500-m freestyle in 1931.Naming citation (MPC batch dated 2014-10-08), IAU / Minor Planet Center, via NASA/JPL
Where Halassy is today
Seen from above the solar system on 2026-10-14: Halassy is 2.87 au from the Sun and 2.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 238710 |
| Provisional designation | 2005 GW21 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.77 |
| Orbital period | 4.61 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.59 – 2.95 au |
| Eccentricity | 0.0663 |
| Inclination | 4.88° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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