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Asteroid 31 Euphrosyne


Named after Euphrosyne, one of the Charites in Greek mythology.

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

ClassificationMain-belt Asteroid

Osculating Orbital Elements
Epoch2449334,5
Semi major axis3,1463 AU
Period [Julian yrs]5,581 Julian years
Inclination26,340 °
Eccentricity0,2279
Lon. of ascending node31,299 °
Argument of perihelion62,853 °
Passage of perihelion1995-Aug-14.924363
Aphelion distance3,8634 AU
Mean anomaly252,285 °

Physical Data
Radius127,95 km
Rotation period5,531 days
Absolute magnitude (H)6,74
Magnitude Slope (G)0,15
Color index (B-V)0,687
Geometric albedo0,0543
Spectral classCb

Discovery Circumstances
DiscovererJames Ferguson
Discovered1854-09-01

Data File
Data File Name31_Euphrosyne.aed
Data File Date2006-07-19
Data File Size2714 kB
Covered Period1800,00 - 2100,00