(443) Photographica
|
Asteroid (443) Photographica |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 2.215 AU |
| eccentricity | 0.04 |
| Perihelion - aphelion | 2.126 AU - 2.304 AU |
| Inclination of the orbit plane | 4.2 ° |
| Length of the ascending node | 175.5 ° |
| Argument of the periapsis | 350.5 ° |
| Time of passage of the perihelion | May 18, 2011 |
| Sidereal period | 3 a 108 d |
| Mean orbital velocity | 20.0 km / s |
| Physical Properties | |
| Medium diameter | 27 ± 1.6 km |
| Albedo | 0.1918 |
| Rotation period | 19 h 48 min |
| Absolute brightness | 10.28 mag |
| Spectral class | S. |
| history | |
| Explorer | M. Wolf , A. Schwassmann |
| Date of discovery | February 17, 1899 |
| Another name | 1899 EF, 1930 YG, 1930 YJ |
| 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. | |
(443) Photographica is an asteroid of the main belt , which was discovered on February 17, 1899 by the German astronomers Max Wolf and Arnold Schwassmann in Heidelberg.
The name of the asteroid alludes to the photographic technique that Max Wolf, one of the first astronomers, used intensively to find celestial bodies.