(555152) Oproiu Main-belt Asteroid
Discovered on 14 November 2009 by EURONEAR at La Palma.
Tiberiu Oproiu (1939–2020) was a Romanian researcher of the Astronomical Institute in Cluj-Napoca who worked in celestial mechanics, artificial satellites, asteroids, data processing and software development. A professor at the universities of Cluj-Napoca and Sibiu, he directed many BSc/MSc theses and six PhD students.Naming citation (WGSBN Bull. 2, #3, 4), IAU / Minor Planet Center, via NASA/JPL
Where Oproiu is today
Seen from above the solar system on 2026-10-14: Oproiu is 2.24 au from the Sun and 1.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 555152 |
| Provisional designation | 2013 RV94 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.48 |
| Orbital period | 4.45 years |
| Semi-major axis | 2.71 au |
| Perihelion – aphelion | 2.16 – 3.26 au |
| Eccentricity | 0.203 |
| Inclination | 4.38° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.