470 Kilia

470 Kilia
Discovery
Discovered by	Luigi Carnera
Discovery site	Heidelberg Observatory
Discovery date	21 April 1901
Designations
MPC designation	(470) Kilia
Pronunciation	/ˈkɪliə/
Named after	Kiel
Alternative designations	1901 GJ; A902 RB
Minor planet category	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)
Semi-major axis	2.405 AU (359.8 Gm)
Eccentricity	0.0939
Orbital period (sidereal)	3.73 yr (1362.0 d)
Mean anomaly	328.947 °
Mean motion	0° 15m 51.089s / day
Inclination	7.227°
Longitude of ascending node	173.225°
Argument of perihelion	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
Synodic rotation period	290 h (12 d)
Geometric albedo	0.2379±0.014
Spectral type	S
Absolute magnitude (H)	10.07

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.

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]

References

^ ^a ^b ^c ^d "JPL Small-Body Database Browser: 470 Kilia". Jet Propulsion Laboratory. Retrieved 22 April 2020.
^ Colazo, Milagros; et al. (April 2022). "Photometry and Light Curve Analysis of Six Asteroids by GORA'S Observatories". Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers. 49 (2): 125–127. Bibcode:2022MPBu...49..125C.

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