440 Theodora
Appearance
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.
References
[edit]- ^ Noah Webster (1884) A Practical Dictionary of the English Language
- ^ a b c d e "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
[edit]- 440 Theodora at AstDyS-2, Asteroids—Dynamic Site
- 440 Theodora at the JPL Small-Body Database