Asteroid 24 Themis
Named after Themis, the personification of divine order, law and custom in Greek mythology.
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| Classification | Main-belt Asteroid |
| Family | Themistian asteroid family |
Osculating Orbital Elements
| Epoch | 2449462,5 |
| Semi major axis | 3,1271 AU |
| Period [Julian yrs] | 5,530 Julian years |
| Inclination | 0,762 ° |
| Eccentricity | 0,1351 |
| Lon. of ascending node | 36,061 ° |
| Argument of perihelion | 109,794 ° |
| Passage of perihelion | 1991-Sep-25.547607 |
| Aphelion distance | 3,5495 AU |
| Mean anomaly | 167,088 ° |
Physical Data
| Radius | 99,00 km |
| Rotation period | 8,374 days |
| Absolute magnitude (H) | 7,08 |
| Magnitude Slope (G) | 0,19 |
| Color index (B-V) | 0,684 |
| Geometric albedo | 0,067 |
| Spectral class | B |
Discovery Circumstances
| Discoverer | Annibale de Gasparis |
| Discovered | 1853-04-05 |
Data File
| Data File Name | 24_Themis.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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