(4533) Orth Main-belt Asteroid
Discovered on 7 March 1986 by C. S. Shoemaker at Palomar.
Where Orth is today
Seen from above the solar system on 2026-10-14: Orth is 2.32 au from the Sun and 3.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4533 |
| Provisional designation | 1986 EL |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.53 km (#7,086 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.272 |
| Rotation period | 24.0 hours |
| Absolute magnitude (H) | 13.0 |
| Orbital period | 3.65 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 1.79 – 2.95 au |
| Eccentricity | 0.244 |
| Inclination | 22.7° |
| Closest distance between its orbit and Earth's (MOID) | 0.909 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.