Asteroid 153 Hilda
Named after the daughter of astronomer Theodor von Oppolzer.
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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 (Hilda) |
Notes | Hilda gives its name to an asteroid group called Hilda asteroids (or shorter
Hildas). Hildas are locked in a 2:3 orbital resonance with Jupiter. |
Osculating Orbital Elements
Epoch | 2453800,5 |
Semi major axis | 3,9805 AU |
Period [Julian yrs] | 7,942 Julian years |
Inclination | 7,837 ° |
Eccentricity | 0,1410 |
Lon. of ascending node | 228,344 ° |
Argument of perihelion | 41,898 ° |
Passage of perihelion | 2007-Aug-03.825541 |
Aphelion distance | 4,5418 AU |
Mean anomaly | 295,983 ° |
Physical Data
Radius | 85,32 km |
Rotation period | 5,11 days |
Absolute magnitude (H) | 7,48 |
Magnitude Slope (G) | 0,15 |
Color index (B-V) | 0,669 |
Geometric albedo | 0,0618 |
Spectral class | X |
Discovery Circumstances
Discoverer | Johann Palisa |
Discovered | 1875-11-02 |
Data File
Data File Name | 153_Hilda.aed |
Data File Date | 2006-12-22 |
Data File Size | 2714 kB |
Covered Period | 1800,00 - 2100,00 |
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