(12584) Zeljkoandreic Main-belt Asteroid
Discovered on 12 September 1999 by K. Korlevic at Visnjan.
Željko Andreić (b. 1957) is a renowned Croatian amateur astronomer and promoter of astronomy. He has been active in education and science for almost 40 years. He has written three popular astronomy books and more than 100 popular articles. A university teacher by profession, his field is plasma physics.Naming citation (MPC batch dated 2015-03-05), IAU / Minor Planet Center, via NASA/JPL
Where Zeljkoandreic is today
Seen from above the solar system on 2026-10-14: Zeljkoandreic is 2.69 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12584 |
| Provisional designation | 1999 RF36 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 7.07 hours |
| Absolute magnitude (H) | 14.78 |
| Orbital period | 3.65 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.05 – 2.70 au |
| Eccentricity | 0.136 |
| Inclination | 7.35° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.