(378) Holmia
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Asteroid (378) Holmia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2,778 AU |
| eccentricity | 0.127 |
| Perihelion - aphelion | 2.424 AU - 3.132 AU |
| Inclination of the orbit plane | 7 ° |
| Length of the ascending node | 232.7 ° |
| Argument of the periapsis | 157.1 ° |
| Time of passage of the perihelion | March 20, 2009 |
| Sidereal period | 4 a 230 d |
| Mean orbital velocity | 17.8 km / s |
| Physical Properties | |
| Medium diameter | (26.7 ± 1.7) km |
| Albedo | 0.30 |
| Rotation period | 4.5 h |
| Absolute brightness | 9.8 likes |
| Spectral class | S. |
| history | |
| Explorer | Auguste Charlois |
| Date of discovery | December 6, 1893 |
| Another name | 1893 AP |
| 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. | |
(378) Holmia is an asteroid of the main asteroid belt that was discovered on December 6, 1893 by Auguste Charlois at the Observatory of Nice.
Holmia moves at a distance of 2.4 ( perihelion ) to 3.1 ( aphelion ) astronomical units in about 4.6 years around the sun . The orbit is inclined 7.0 ° to the ecliptic , the orbital eccentricity is 0.13.
Holmia could be classified as an S-type and has a diameter of about 27 kilometers. Their albedo is unusually high at 0.3.
The name Holmia comes from the Latin name of the city of Stockholm .