511 Davida
| Discovery | |
|---|---|
| Discovered by | R. S. Dugan |
| Discovery date | May 30, 1903 |
| Designations | |
Designation | (511) Davida |
| Pronunciation | /dəˈviːdə/, Latin Dāvīda |
Named after | David Peck Todd |
| 1903 LU | |
| main-belt · (outer) Meliboea | |
| Adjectives | Davidian /dəˈvɪdiən/ |
| Orbital characteristics | |
| Epoch July 01, 2021 (JD 2459396.5, heliocentric) | |
| Aphelion | 3.759 AU |
| Perihelion | 2.569 AU |
| 3.163 AU | |
| Eccentricity | 0.188 |
| 5.626 yr (2055 d) | |
| 113° | |
| Inclination | 15.94° |
| 107.6° | |
| 337.2° | |
| Physical characteristics | |
| Dimensions | (357 ± 2) × (294 ± 2) × (231 ± 50) km |
| 298±4 km | |
| Flattening | 0.30 |
| Mass | (26.6±7.3)×1018 kg (38±2)×1018 kg |
Mean density | 1.92±0.53 g/cm3 2.97±1.30 g/cm3 |
| 0.2137 d (5.130 h) | |
| Albedo | 0.076±0.007 geometric (0.717±0.013 BV, 0.363±0.020) |
| Temperature | ~160 K |
Spectral type | C |
| 9.50 to 12.98 | |
| 6.43 | |
511 Davida is a large C-type asteroid in the asteroid belt. It is one of the largest asteroids; approximately tied for 7th place, to within measurement uncertainties, and the 5th or 6th most massive. It was discovered by R. S. Dugan in 1903. Davida is named after David Peck Todd, an astronomy professor at Amherst College.