Asteroid 20461 Dioretsa
The name is the word 'asteroid' spelled backwards to reflect the fact, that the orbit is retrograde.
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This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.
Alternate designation | 1999 LD31 |
Classification | Centaur |
Notes | highly eccentric and retrograde orbit |
Osculating Orbital Elements
Epoch | 2453800,5 |
Semi major axis | 23,8655 AU |
Period [Julian yrs] | 116,590 Julian years |
Inclination | 160,417 ° |
Eccentricity | 0,8996 |
Lon. of ascending node | 297,474 ° |
Argument of perihelion | 102,829 ° |
Passage of perihelion | 1999-Nov-14.733402 |
Aphelion distance | 45,3349 AU |
Mean anomaly | 19,471 ° |
Physical Data
Absolute magnitude (H) | 13,8 |
Magnitude Slope (G) | 0,15 |
Spectral class | n.a. |
Discovery Circumstances
Discoverer | Lincoln Laboratory Near-Earth Asteroid Research project |
Discovered | 1999-06-08 |
Data File
Data File Name | 20461_Dioretsa.aed |
Data File Date | 2006-07-19 |
Data File Size | 2714 kB |
Covered Period | 1800,00 - 2100,00 |
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