Asteroid 120 Lachesis
Named after Lachesis, one of the Moirae, or Fates, 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 |
Osculating Orbital Elements
| Epoch | 2448364,5 |
| Semi major axis | 3,1128 AU |
| Period [Julian yrs] | 5,492 Julian years |
| Inclination | 6,969 ° |
| Eccentricity | 0,0649 |
| Lon. of ascending node | 341,700 ° |
| Argument of perihelion | 237,187 ° |
| Passage of perihelion | 1993-Oct-13.709788 |
| Aphelion distance | 3,3150 AU |
| Mean anomaly | 196,743 ° |
Physical Data
| Radius | 87,05 km |
| Rotation period | 45,84 days |
| Absolute magnitude (H) | 7,6354 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,707 |
| Geometric albedo | 0,0463 |
| Spectral class | C |
Discovery Circumstances
| Discoverer | Alphonse Borrelly |
| Discovered | 1872-04-10 |
Data File
| Data File Name | 120_Lachesis.aed |
| Data File Date | 2006-12-22 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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