(1191) Alfaterna
|
Asteroid (1191) Alfaterna |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.8910 AU |
| eccentricity | 0.0507 |
| Perihelion - aphelion | 2.7444 AU - 3.0377 AU |
| Inclination of the orbit plane | 18.476 ° |
| Sidereal period | 4.92 a |
| Mean orbital velocity | 17.51 km / s |
| Physical Properties | |
| Medium diameter | 42.09 ± 3.0 km |
| Dimensions | ? kg |
| Albedo | 0.0574 ± 0.009 |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 10.60 mag |
| Spectral class | ? |
| history | |
| Explorer | Luigi Volta |
| Date of discovery | February 11, 1931 |
| Another name | 1931 CA, 1965 AA |
| 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. | |
(1191) Alfaterna is an asteroid of the main belt , which on 11 February 1931 by the Italian astronomer Luigi Volta in Pino Torinese was discovered.
The name of the asteroid is derived from the former city of Nuceria Alfaterna , located between Pompeii and Salerno . Today the place Nocera Superiore is located here .