440 Theodora
From Infogalactic: the planetary knowledge core
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A three-dimensional model of 440 Theodora based on its light curve.
|
|
| Discovery | |
|---|---|
| Discovered by | E. F. Coddington |
| Discovery date | October 13, 1898 |
| Designations | |
| 1898 EC | |
| Main belt | |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 366.262 Gm (2.448 AU) |
| Perihelion | 295.119 Gm (1.973 AU) |
| 330.691 Gm (2.211 AU) | |
| Eccentricity | 0.108 |
| 1200.425 d (3.29 a) | |
|
Average orbital speed
|
20.03 km/s |
| 45.049° | |
| Inclination | 1.598° |
| 292.35° | |
| 178.848° | |
| Physical characteristics | |
| Dimensions | 11 - 24 km |
| Mass | unknown |
|
Mean density
|
unknown |
| unknown | |
| unknown | |
| unknown | |
| Albedo | unknown |
| Temperature | unknown |
|
Spectral type
|
unknown |
| 11.5 | |
440 Theodora is a small Main belt asteroid.
It was discovered by E. F. Coddington on October 13, 1898 at Mount Hamilton. It was his second asteroid discovery.
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