477 Italia
Italia (minor planet designation: 477 Italia) (1901 GR) is a main-belt asteroid that was discovered on 23 August 1901 by Italian astronomer Luigi Carnera at Heidelberg.
| Discovery | |
|---|---|
| Discovered by | Luigi Carnera |
| Discovery site | Heidelberg |
| Discovery date | 23 August 1901 |
| Designations | |
MPC designation | (477) Italia |
| Pronunciation | /ɪˈtæliə/ |
Named after | Italy |
Alternative designations | 1901 GR; A905 UK |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 114.61 yr (41862 d) |
| Aphelion | 2.8698979 AU (429.33061 Gm) |
| Perihelion | 1.9640980 AU (293.82488 Gm) |
Semi-major axis | 2.416998 AU (361.5778 Gm) |
| Eccentricity | 0.1873812 |
Orbital period (sidereal) | 3.76 yr (1372.5 d) |
Mean anomaly | 224.20862° |
Mean motion | 0° 15m 44.261s / day |
| Inclination | 5.288912° |
Longitude of ascending node | 10.68098° |
| 322.42220° | |
| Physical characteristics | |
| Dimensions | 22.51±1.1 km |
Synodic rotation period | 19.413 h (0.8089 d) |
| 0.2769±0.028 | |
| T/B | |
| 10.25 | |
Photometric observations of this asteroid collected in 2005 gave a provisional rotation period of 19.4189 hours and a brightness variation of about 0.2 in magnitude.
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