(238) Hypatia
|
Asteroid (238) Hypatia |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Major semi-axis | 2.908 AU |
| eccentricity | 0.087 |
| Perihelion - aphelion | 2.656 AU - 3.16 AU |
| Inclination of the orbit plane | 12.4 ° |
| Length of the ascending node | 184 ° |
| Argument of the periapsis | 208.9 ° |
| Time of passage of the perihelion | April 2, 2009 |
| Sidereal period | 4 a 350 d |
| Mean orbital velocity | 17.4 km / s |
| Physical Properties | |
| Medium diameter | 149 km |
| Albedo | 0.0428 |
| Rotation period | 8 h 52 min |
| Absolute brightness | 8.18 likes |
| Spectral class | C. |
| history | |
| Explorer | Viktor Knorre |
| Date of discovery | July 1, 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. | |
(238) Hypatia is an asteroid of the main asteroid belt , which was discovered on July 1, 1884 by Viktor Knorre at the Berlin observatory .
The celestial body was named after Hypatia of Alexandria , a philosopher and mathematician who lived in the 4th century.
Hypatia moves from 2.6480 ( perihelion ) to 3.1645 ( aphelion ) astronomical units around the sun in 4.9545 years . The orbit is inclined 12.4081 ° to the ecliptic , the orbital eccentricity is 0.0889.
With a diameter of 149 kilometers, Hypatia is one of the larger asteroids in the main belt. It has a dark, carbon-rich surface with an albedo of 0.043. It rotates around its own axis in around 8 hours and 52 minutes.