(4397) Jalopez Main-belt Asteroid
Discovered on 9 May 1981 by Felix Aguilar Observatory at El Leoncito.
Where Jalopez is today
Seen from above the solar system on 2026-10-14: Jalopez is 2.07 au from the Sun and 3.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4397 |
| Provisional designation | 1981 JS1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.55 km (#11,525 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.282 |
| Absolute magnitude (H) | 13.99 |
| Orbital period | 3.51 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.03 – 2.59 au |
| Eccentricity | 0.120 |
| Inclination | 5.47° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.