182 Elsa
|
Asteroid (182) Elsa |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 2,416 AU |
| eccentricity | 0.186 |
| Perihelion - aphelion | 1.967 AU - 2.865 AU |
| Inclination of the orbit plane | 2 ° |
| Length of the ascending node | 107.3 ° |
| Argument of the periapsis | 310.4 ° |
| Time of passage of the perihelion | November 9, 2008 |
| Sidereal period | 3 a 276 d |
| Mean orbital velocity | 19.0 km / s |
| Physical Properties | |
| Medium diameter | 44 ± 4.1 km |
| Albedo | 0.2083 |
| Rotation period | 80 h 5 min |
| Absolute brightness | 9.12 likes |
| Spectral class | S. |
| history | |
| Explorer | J. Palisa |
| Date of discovery | February 7, 1878 |
| 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. | |
(182) Elsa is an asteroid of the main asteroid belt that was discovered on February 7, 1878 by the Austrian astronomer Johann Palisa .
The celestial body was named in honor of the Austrian Empress Elisabeth ; Elsa is a short form of the name Elisabeth.
Elsa has an unusually long rotation period of 80 hours, which is probably caused by an accompanying body. Evaluations of light curves have shown that the asteroid is probably an elongated, irregularly shaped body.