(423433) Harsanyi Main-belt Asteroid
Discovered on 29 August 2005 by Z. Kuli K. Sárneczky at Piszkesteto.
János Harsányi (1920–2000) was a Hungarian-American Nobel Prize laureate economist. He is best known for his contributions to the study of game theory and its application to economics. For his work, he was a co-recipient along with John Nash and Reinhard Selten of the 1994 Nobel Memorial Prize in Economic Sciences.Naming citation (WGSBN Bull. 1, #1, 29), IAU / Minor Planet Center, via NASA/JPL
Where Harsanyi is today
Seen from above the solar system on 2026-10-14: Harsanyi is 2.10 au from the Sun and 2.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 423433 |
| Provisional designation | 2005 QL75 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 18.01 |
| Orbital period | 4.06 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 1.85 – 3.24 au |
| Eccentricity | 0.273 |
| Inclination | 5.17° |
| Closest distance between its orbit and Earth's (MOID) | 0.859 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 29 August 2005
- (149865) Michelhernandez
- (184535) Audouze
- (214432) Belprahon
- (290074) Donasadock
- (290127) Linakostenko
- (318682) Carpaccio
- (318694) Keszthelyi
- (325973) Cardinal