Asteroid 90377 Sedna
Named after Sedna, the Inuit goddess of the sea, who was believed to live in the cold depths of the Arctic Ocean.
|
This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.
| Alternate designation | 2003 VB12 |
| Classification | TNO |
| Notes | Sedna has an estimated diameter of between 1180 and 1800 kilometres. At the time of its discovery it was the largest object found in the solar system since Pluto was discovered in 1930. |
Osculating Orbital Elements
| Epoch | 2452955,5 |
| Semi major axis | 523,2867 AU |
| Period [Julian yrs] | 11970,651 Julian years |
| Inclination | 11,932 ° |
| Eccentricity | 0,8547 |
| Lon. of ascending node | 144,575 ° |
| Argument of perihelion | 311,307 ° |
| Passage of perihelion | 2076-Apr-01.975995 |
| Aphelion distance | 970,5226 AU |
| Mean anomaly | 357,823 ° |
Physical Data
| Rotation period | 10,273 days |
| Absolute magnitude (H) | 1,5786 |
| Magnitude Slope (G) | 0,15 |
| Spectral class | n.a. |
Discovery Circumstances
| Discoverer | Chad Trujillo, Michael M. Brown, and David Rabinowitz |
| Discovered | 2003-11-14 |
Data File
| Data File Name | 90377_Sedna.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 720 kB |
| Covered Period | 1800,00 - 2100,00 |
|
|
Home