(3648) Raffinetti Main-belt Asteroid
Discovered on 24 April 1957 by La Plata at La Plata.
Where Raffinetti is today
Seen from above the solar system on 2026-10-14: Raffinetti is 2.66 au from the Sun and 1.78 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3648 |
| Provisional designation | 1957 HK |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.31 km (#10,026 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.609 |
| Rotation period | 5.18 hours |
| Absolute magnitude (H) | 13.19 |
| Orbital period | 3.75 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 2.15 – 2.68 au |
| Eccentricity | 0.109 |
| Inclination | 7.91° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.