445 Edna
| Discovery | |
|---|---|
| Discovered by | E. F. Coddington |
| Discovery date | October 2, 1899 |
| Designations | |
| 1899 EX | |
| Main belt | |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 570.472 Gm (3.813 AU) |
| Perihelion | 388.401 Gm (2.596 AU) |
| 479.437 Gm (3.205 AU) | |
| Eccentricity | 0.19 |
| 2095.554 d (5.74 a) | |
Average orbital speed | 16.64 km/s |
| 189.15° | |
| Inclination | 21.347° |
| 292.586° | |
| 79.262° | |
| Physical characteristics | |
| Dimensions | 88.60 ± 4.10[1] km |
| Mass | (3.47 ± 0.78) × 1018[1] kg |
Mean density | 9.52 ± 2.50[1] g/cm3 |
| 9.29 | |
|
| |
445 Edna is a large Main belt asteroid.
It was discovered by E. F. Coddington on October 2, 1899 at Mount Hamilton, California. It was his third and final asteroid discovery.It was discovered almost a year after the other two. It and Neptune are were both discovered after Uranus but before Eris
References
- ↑ 1.0 1.1 1.2 Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
| ||||||
| ||||||||||||||||||||||||||||