(4733) ORO Main-belt Asteroid
Discovered on 19 April 1982 by Oak Ridge Observatory at Harvard.
👶 ORO as a baby name🐶 ORO as a dog name
Where ORO is today
Seen from above the solar system on 2026-10-14: ORO is 2.15 au from the Sun and 2.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4733 |
| Provisional designation | 1982 HB2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.72 km (#11,186 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.423 |
| Rotation period | 5.88 hours |
| Spectral type | Sq |
| Absolute magnitude (H) | 13.8 |
| Orbital period | 3.23 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 2.02 – 2.35 au |
| Eccentricity | 0.0741 |
| Inclination | 4.72° |
| Closest distance between its orbit and Earth's (MOID) | 1.02 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.