(541627) Halmospal Main-belt Asteroid
Discovered on 2 October 2011 by K. Sárneczky at Piszkesteto.
Pál Halmos (1916–2006) was a Hungarian-American mathematician who made fundamental advances in the areas of logic, probability theory, statistics, operator theory and functional analysis. He is best known for some of his text-books and for his collection of mathematicians' photographs.Naming citation (WGSBN Bull. 1, #1, 31), IAU / Minor Planet Center, via NASA/JPL
Where Halmospal is today
Seen from above the solar system on 2026-10-14: Halmospal is 2.78 au from the Sun and 3.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 541627 |
| Provisional designation | 2011 UE155 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.63 |
| Orbital period | 4.14 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.28 – 2.88 au |
| Eccentricity | 0.116 |
| Inclination | 13.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.