(541776) Olahkatalin Main-belt Asteroid
Discovered on 7 November 2011 by K. Sárneczky K. Vida at Piszkesteto.
Katalin Oláh (b. 1948) is a Hungarian astronomer. She has worked extensively on binary stars, stellar activity, stellar-activity cycles, stellar spots and differential rotation. She founded the stellar activity research group at the Konkoly Observatory and has been a leading scientist in the field.Naming citation (WGSBN Bull. 1, #12, 11), IAU / Minor Planet Center, via NASA/JPL
Where Olahkatalin is today
Seen from above the solar system on 2026-10-14: Olahkatalin is 2.23 au from the Sun and 2.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 541776 |
| Provisional designation | 2011 YZ12 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.4 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 2.23 – 2.53 au |
| Eccentricity | 0.0644 |
| Inclination | 7.55° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.