986 Amelia

986 Amelia
	Modelled shape of Amelia from its lightcurve
Discovery
Discovered by	J. Comas Solà
Discovery site	Fabra Obs.
Discovery date	19 October 1922
Designations
MPC designation	(986) Amelia
Named after	Amelia Solà; (discoverer's wife)
Alternative designations	A922 UA · 1922 MQ; 1935 BK · 1966 VA; A915 JC
Minor planet category	main-belt · (outer); background
Orbital characteristics
	Epoch 31 May 2020 (JD 2459000.5)
	Uncertainty parameter 0
Observation arc	93.64 yr (34,203 d)
Aphelion	3.7674 AU
Perihelion	2.4961 AU
Semi-major axis	3.1317 AU
Eccentricity	0.2030
Orbital period (sidereal)	5.54 yr (2,024 d)
Mean anomaly	210.80°
Mean motion	0° 10m 40.08s / day
Inclination	14.815°
Longitude of ascending node	92.601°
Argument of perihelion	265.52°
Physical characteristics
Mean diameter	48.677±0.159 km; 50.94±1.2 km; 52.30±0.78 km;
Synodic rotation period	9.52±0.01 h
Pole ecliptic latitude	(80.0°, 30.0°) (λ1/β1); (282.0°, 30.0°) (λ2/β2);
Geometric albedo	0.113±0.004; 0.1183±0.006; 0.218±0.024;
Spectral type	D (S3OS2); L (SDSS-MOC);
Absolute magnitude (H)	9.4

986 Amelia (prov. designation: A922 UA or 1922 MQ) is a large background asteroid from the outer regions of the asteroid belt, approximately 50 kilometers (31 miles) in diameter. It was discovered on 19 October 1922, by Spanish astronomer Josep Comas i Solà at the Fabra Observatory in Barcelona. The L/D-type asteroid has a rotation period of 9.5 hours. It was named after the discoverer's wife, Amelia Solà.

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