(90479) Donalek Main-belt Asteroid
Discovered on 15 February 2004 by CSS at Catalina.
Ciro Donalek (b. 1973) is a computational scientist who has applied machine learning to the analysis of massive data sets and sky surveys, including the Palomar-Quest and Catalina Real-Time Transient surveys. He has contributed to the automated classification of astronomical sources and transient events.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where Donalek is today
Seen from above the solar system on 2026-10-14: Donalek is 2.43 au from the Sun and 2.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 90479 |
| Provisional designation | 2004 CC109 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.87 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.32 – 2.86 au |
| Eccentricity | 0.105 |
| Inclination | 13.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.32 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.