440 Theodora
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Main-belt asteroid
.png) A three-dimensional model of 440 Theodora based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | E. F. Coddington |
| Discovery date | 13 October 1898 |
| Designations | |
| (440) Theodora | |
| Pronunciation | /θiːəˈdɔːrə/[1] |
| 1898 EC | |
| Main belt | |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 117.50 yr (42917 d) |
| Aphelion | 2.44735 AU (366.118 Gm) |
| Perihelion | 1.97352 AU (295.234 Gm) |
| 2.21043 AU (330.676 Gm) | |
| Eccentricity | 0.10718 |
| 3.29 yr (1200.4 d) | |
| 224.670° | |
| 0° 17m 59.669s / day | |
| Inclination | 1.59566° |
| 292.133° | |
| 179.039° | |
| Physical characteristics | |
| Dimensions | 13.6 km[2] |
| 4.828 h (0.2012 d) | |
| 0.630[2] | |
| 11.6[2] | |
440 Theodora is a small Main belt asteroid.[2]
It was discovered by E. F. Coddington on October 13, 1898, at Mount Hamilton. It was his second asteroid discovery.
- ↑ Noah Webster (1884) A Practical Dictionary of the English Language
- 1 2 3 4 5 "440 Theodora (1898 EC)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 16 September 2020. Retrieved 10 May 2016.
External links
- 440 Theodora at AstDyS-2, Asteroids—Dynamic Site
- 440 Theodora at the JPL Small-Body Database
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