(10466) Marius-Ioan Main-belt Asteroid
Discovered on 1 March 1981 by S. J. Bus at Siding Spring.
Marius-Ioan Piso (b. 1954) is President of the Romanian Space Agency (ROSA) and a leading advocate for space research in Romania. Over two decades he orchestrated the process of Romania becoming a member of the European Space Agency.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Marius-Ioan is today
Seen from above the solar system on 2026-10-14: Marius-Ioan is 2.12 au from the Sun and 2.09 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10466 |
| Provisional designation | 1981 ET7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.60 km (#16,069 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.378 |
| Absolute magnitude (H) | 15.11 |
| Orbital period | 3.56 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 2.12 – 2.55 au |
| Eccentricity | 0.0918 |
| Inclination | 4.18° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ioan
All asteroids named after someone called Ioan
Also discovered on 1 March 1981
- (2788) Andenne
- (3016) Meuse
- (3029) Sanders
- (3030) Vehrenberg
- (3042) Zelinsky
- (3058) Delmary
- (3075) Bornmann
- (3135) Lauer
- (3308) Ferreri
- (3472) Upgren
- (3498) Belton
- (3503) Brandt