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Asteroid 20461 Dioretsa


The name is the word 'asteroid' spelled backwards to reflect the fact, that the orbit is retrograde.

This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.

Alternate designation1999 LD31
ClassificationCentaur
Noteshighly eccentric and retrograde orbit

Osculating Orbital Elements
Epoch2453800,5
Semi major axis23,8655 AU
Period [Julian yrs]116,590 Julian years
Inclination160,417 °
Eccentricity0,8996
Lon. of ascending node297,474 °
Argument of perihelion102,829 °
Passage of perihelion1999-Nov-14.733402
Aphelion distance45,3349 AU
Mean anomaly19,471 °

Physical Data
Absolute magnitude (H)13,8
Magnitude Slope (G)0,15
Spectral classn.a.

Discovery Circumstances
DiscovererLincoln Laboratory Near-Earth Asteroid Research project
Discovered1999-06-08

Data File
Data File Name20461_Dioretsa.aed
Data File Date2006-07-19
Data File Size2714 kB
Covered Period1800,00 - 2100,00