(227218) Renyi Main-belt Asteroid
Discovered on 5 September 2005 by K. Sarneczky at Piszkesteto.
Alfréd Rényi (1921-1970) was a Hungarian mathematician, who worked mostly in probability theory, as well as combinatorics, graph theory and number theory. In 1950, he founded the Mathematics Research Institute of the Hungarian Academy of Sciences, now bearing his name, and directed it until his early death.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where Renyi is today
Seen from above the solar system on 2026-10-14: Renyi is 2.42 au from the Sun and 3.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 227218 |
| Provisional designation | 2005 RU3 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.49 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.90 – 2.86 au |
| Eccentricity | 0.202 |
| Inclination | 1.39° |
| Closest distance between its orbit and Earth's (MOID) | 0.889 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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