668 Dora
668 Dora is an asteroid orbiting in the asteroid belt located roughly between the orbits of the planets Mars and Jupiter. The name may have been inspired by the asteroid's provisional designation 1908 DO.
| Discovery | |
|---|---|
| Discovered by | August Kopff |
| Discovery site | Heidelberg |
| Discovery date | 27 July 1908 |
| Designations | |
| (668) Dora | |
| Pronunciation | /ˈdɔːrə/[1] |
| 1908 DO | |
| |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 107.05 yr (39099 d) |
| Aphelion | 3.4515 AU (516.34 Gm) |
| Perihelion | 2.1369 AU (319.68 Gm) |
| 2.7942 AU (418.01 Gm) | |
| Eccentricity | 0.23524 |
| 4.67 yr (1706.0 d) | |
| 22.6953° | |
| 0° 12m 39.672s / day | |
| Inclination | 6.8428° |
| 214.450° | |
| 113.302° | |
| Physical characteristics | |
Mean radius | 13.42±0.35 km |
| 22.914 h (0.9548 d) | |
| 0.0467±0.003 | |
| 12.0 | |
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- "668 Dora (1908 DO)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
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