(4323) Hortulus Main-belt Asteroid
Discovered on 27 August 1981 by P. Wild at Zimmerwald.
Where Hortulus is today
Seen from above the solar system on 2026-10-14: Hortulus is 2.58 au from the Sun and 3.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4323 |
| Provisional designation | 1981 QN |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.97 km (#12,819 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.410 |
| Rotation period | 4.74 hours |
| Absolute magnitude (H) | 13.57 |
| Orbital period | 3.37 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 1.79 – 2.70 au |
| Eccentricity | 0.203 |
| Inclination | 4.42° |
| Closest distance between its orbit and Earth's (MOID) | 0.794 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.