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470 Kilia /ˈkɪliə/ (1901 GJ) is a 27 km main-belt asteroid discovered on 21 April 1901 by Luigi Carnera at Heidelberg,[1] the 470th asteroid discovered. It was one of the 16 asteroid discoveries made by Carnera.
| Discovery | |
|---|---|
| Discovered by | Luigi Carnera |
| Discovery site | Heidelberg Observatory |
| Discovery date | 21 April 1901 |
| Designations | |
| (470) Kilia | |
| Pronunciation | /ˈkɪliə/ |
Named after | Kiel |
| 1901 GJ; A902 RB | |
| Main belt | |
| Orbital characteristics | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Observation arc | 114.99 yr (42001 d) |
| Aphelion | 2.633 AU (393.9 Gm) |
| Perihelion | 2.179 AU (326.0 Gm) |
| 2.405 AU (359.8 Gm) | |
| Eccentricity | 0.0939 |
| 3.73 yr (1362.0 d) | |
| 328.947 ° | |
| 0° 15m 51.089s / day | |
| Inclination | 7.227° |
| 173.225° | |
| 47.396° | |
| Proper orbital elements | |
Proper semi-major axis | 2.4047 AU |
Proper eccentricity | 0.1225 |
Proper inclination | 0.125° |
Proper mean motion | 96.5229 deg / yr |
Proper orbital period | 3.72968 yr (1362.267 d) |
Precession of perihelion | 37.748 arcsec / yr |
Precession of the ascending node | -42.035 arcsec / yr |
| Physical characteristics | |
| Dimensions | 26.39±0.7 km[1] |
| 290 h (12 d) | |
| 0.2379±0.014[1] | |
| S | |
| 10.07[1] | |
Photometric observations of this asteroid in 2021 were used to produce a light curve showing a rotation period of 297.655±0.012 h with a brightness amplitude of 0.40±0.02 in magnitude.[2]
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