(16645) Aldalara Main-belt Asteroid
Discovered on 22 September 1993 by O. A. Naranjo at Merida.
ALDA, the Asociación Larense de Astronomía, is the association of amateur astronomers of Lara State, Venezuela. Since its foundation in 1985 its members have not only engaged in astronomical activities but have developed extensive educational and outreach activity, involving students and people from the general community.Naming citation (20100726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Aldalara is today
Seen from above the solar system on 2026-10-14: Aldalara is 2.63 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16645 |
| Provisional designation | 1993 SP3 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 10.9 hours |
| Absolute magnitude (H) | 14.71 |
| Orbital period | 3.52 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 1.87 – 2.76 au |
| Eccentricity | 0.193 |
| Inclination | 3.73° |
| Closest distance between its orbit and Earth's (MOID) | 0.873 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.