(1644) Rafita Main-belt Asteroid
Discovered on 16 December 1935 by R. Carrasco at Madrid.
Where Rafita is today
Seen from above the solar system on 2026-10-14: Rafita is 2.67 au from the Sun and 3.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1644 |
| Provisional designation | 1935 YA |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.0 km (#3,411 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.164 |
| Rotation period | 3.34 hours |
| Spectral type | S |
| Absolute magnitude (H) | 11.64 |
| Orbital period | 4.06 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.15 – 2.95 au |
| Eccentricity | 0.158 |
| Inclination | 7.03° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.