(237) Coelestina
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Asteroid (237) Coelestina |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.762 AU |
| eccentricity | 0.074 |
| Perihelion - aphelion | 2.558 AU - 2.966 AU |
| Inclination of the orbit plane | 9.8 ° |
| Length of the ascending node | 84.4 ° |
| Argument of the periapsis | 200.2 ° |
| Time of passage of the perihelion | May 12, 2013 |
| Sidereal period | 4 a 215 d |
| Mean orbital velocity | 17.9 km / s |
| Physical Properties | |
| Medium diameter | 41 km |
| Albedo | 0.2108 |
| Rotation period | 29 h 13 min |
| Absolute brightness | 9.24 likes |
| Spectral class | S. |
| history | |
| Explorer | Johann Palisa |
| Date of discovery | June 27, 1884 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(237) Coelestina is an asteroid of the main asteroid belt discovered by Johann Palisa on June 27, 1884 .
The asteroid was named after Coelestine , the wife of the astronomer Theodor von Oppolzer .
Coelestina moves at a distance of 2.5614 ( perihelion ) to 2.9646 ( aphelion ) astronomical units in 4.5929 years around the sun . The orbit is inclined 9.7543 ° to the ecliptic , the orbital eccentricity is 0.0730.
Coelestina has a diameter of 41 kilometers. It has a light, silicate-rich surface with an albedo of 0.211.