Asteroid 129 Antigone
Named after Antigone, the Theban princess in Greek mythology.
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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 |
Notes | composed of almost pure nickel-iron |
Osculating Orbital Elements
Epoch | 2449518,5 |
Semi major axis | 2,8660 AU |
Period [Julian yrs] | 4,852 Julian years |
Inclination | 12,221 ° |
Eccentricity | 0,2143 |
Lon. of ascending node | 136,511 ° |
Argument of perihelion | 109,080 ° |
Passage of perihelion | 1995-Oct-24.405255 |
Aphelion distance | 3,4801 AU |
Mean anomaly | 259,160 ° |
Physical Data
Radius | 56,50 km |
Rotation period | 4,9572 days |
Absolute magnitude (H) | 6,9376 |
Magnitude Slope (G) | 0,33 |
Color index (B-V) | 0,717 |
Geometric albedo | 0,164 |
Spectral class | X |
Discovery Circumstances
Discoverer | Christian Heinrich Friedrich Peters |
Discovered | 1873-02-05 |
Data File
Data File Name | 129_Antigone.aed |
Data File Date | 2006-12-23 |
Data File Size | 2714 kB |
Covered Period | 1800,00 - 2100,00 |
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