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Asteroid 129 Antigone


Named after Antigone, the Theban princess in Greek mythology.

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

ClassificationMain-belt Asteroid
Notescomposed of almost pure nickel-iron

Osculating Orbital Elements
Epoch2449518,5
Semi major axis2,8660 AU
Period [Julian yrs]4,852 Julian years
Inclination12,221 °
Eccentricity0,2143
Lon. of ascending node136,511 °
Argument of perihelion109,080 °
Passage of perihelion1995-Oct-24.405255
Aphelion distance3,4801 AU
Mean anomaly259,160 °

Physical Data
Radius56,50 km
Rotation period4,9572 days
Absolute magnitude (H)6,9376
Magnitude Slope (G)0,33
Color index (B-V)0,717
Geometric albedo0,164
Spectral classX

Discovery Circumstances
DiscovererChristian Heinrich Friedrich Peters
Discovered1873-02-05

Data File
Data File Name129_Antigone.aed
Data File Date2006-12-23
Data File Size2714 kB
Covered Period1800,00 - 2100,00