Asteroid 115 Thyra
Named after Thyra, the consort of King Gorm the Old of Denmark.
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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 | 2454200,5 |
| Semi major axis | 2,3796 AU |
| Period [Julian yrs] | 3,671 Julian years |
| Inclination | 11,602 ° |
| Eccentricity | 0,1917 |
| Lon. of ascending node | 308,978 ° |
| Argument of perihelion | 96,881 ° |
| Passage of perihelion | 2008-Feb-18.561479 |
| Aphelion distance | 2,8358 AU |
| Mean anomaly | 275,542 ° |
Physical Data
| Radius | 39,92 km |
| Rotation period | 7,241 days |
| Absolute magnitude (H) | 7,51 |
| Magnitude Slope (G) | 0,12 |
| Color index (B-V) | 0,851 |
| Geometric albedo | 0,2747 |
| Spectral class | S |
Discovery Circumstances
| Discoverer | James Craig Watson |
| Discovered | 1871-08-06 |
Data File
| Data File Name | 115_Thyra.aed |
| Data File Date | 2006-12-22 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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