(7521) Wylezalek Main-belt Asteroid
Discovered on 24 August 1990 by H. E. Holt at Palomar.
German astronomer Dominika Wylezalek (b. 1988) is professor of extragalactic astrophysics at Heidelberg University and since 2025 has been the ninth director in the long history of the Astronomisches Rechen-Institut. Her main scientific interests cover accreting supermassive black holes in active galactic nuclei and their role in the evolution of galaxies.Naming citation (WGSBN Bull. 5, #9, 17), IAU / Minor Planet Center, via NASA/JPL
Where Wylezalek is today
Seen from above the solar system on 2026-10-14: Wylezalek is 2.87 au from the Sun and 2.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7521 |
| Provisional designation | 1990 QS2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.61 km (#6,991 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.254 |
| Rotation period | 5.04 hours |
| Absolute magnitude (H) | 13.04 |
| Orbital period | 4.94 years |
| Semi-major axis | 2.90 au |
| Perihelion – aphelion | 2.86 – 2.94 au |
| Eccentricity | 0.0132 |
| Inclination | 2.65° |
| Closest distance between its orbit and Earth's (MOID) | 1.87 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.