(7989) Pernadavide Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Davide Perna (b. 1979) is a postdoctoral fellow at the Istituto Nazionale di Astrofisica Osservatorio Astronomico di Capodimonte, Italy. His research includes studying the spectral properties, rotations, and internal structures of centaurs and transneptunian objects.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pernadavide is today
Seen from above the solar system on 2026-10-14: Pernadavide is 1.96 au from the Sun and 1.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7989 |
| Provisional designation | 1981 EW41 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.53 |
| Orbital period | 3.69 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.92 – 2.86 au |
| Eccentricity | 0.197 |
| Inclination | 1.57° |
| Closest distance between its orbit and Earth's (MOID) | 0.901 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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