Asteroid 71 Niobe
Bamed after Niobe, a mortal woman in Greek mythology. She had fourteen children (Niobids), seven male and seven female.
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This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.
Classification | Main-belt Asteroid |
Osculating Orbital Elements
Epoch | 2453789,5 |
Semi major axis | 2,7543 AU |
Period [Julian yrs] | 4,571 Julian years |
Inclination | 23,258 ° |
Eccentricity | 0,1763 |
Lon. of ascending node | 316,114 ° |
Argument of perihelion | 267,473 ° |
Passage of perihelion | 2006-Oct-27.741349 |
Aphelion distance | 3,2398 AU |
Mean anomaly | 306,798 ° |
Physical Data
Radius | 41,71 km |
Rotation period | 35,5 days |
Absolute magnitude (H) | 7,3 |
Magnitude Slope (G) | 0,4 |
Color index (B-V) | 0,803 |
Geometric albedo | 0,3052 |
Spectral class | Xe |
Discovery Circumstances
Discoverer | Robert Luther |
Discovered | 1861-08-13 |
Data File
Data File Name | 71_Niobe.aed |
Data File Date | 2006-07-19 |
Data File Size | 2714 kB |
Covered Period | 1800,00 - 2100,00 |
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