755 Quintilla

755 Quintilla
Discovery
Discovered by	J. H. Metcalf
Discovery site	Taunton Obs.
Discovery date	6 April 1908
Designations
MPC designation	(755) Quintilla
Pronunciation	/kwɪnˈtɪlə/
Named after	Quintilla; (Italian first name)
Alternative designations	A908 GC · 1933 UF; 1908 CZ
Minor planet category	main-belt · (outer); background ;
Orbital characteristics
	Epoch 31 May 2020 (JD 2459000.5)
	Uncertainty parameter 0
Observation arc	104.66 yr (38,226 d)
Aphelion	3.6182 AU
Perihelion	2.7446 AU
Semi-major axis	3.1814 AU
Eccentricity	0.1373
Orbital period (sidereal)	5.67 yr (2,073 d)
Mean anomaly	294.13°
Mean motion	0° 10m 25.32s / day
Inclination	3.2423°
Longitude of ascending node	176.67°
Argument of perihelion	43.965°
Physical characteristics
Mean diameter	31.32±1.20 km; 36.04±2.1 km; 41.210±0.655 km;
Synodic rotation period	4.552 h
Geometric albedo	0.124±0.012; 0.1621±0.021; 0.220±0.019;
Spectral type	Tholen = M ; U–B = 0.220±0.023; B–V = 0.670±0.030; V–R = 0.410±0.030;
Absolute magnitude (H)	9.7; 9.81;

755 Quintilla (prov. designation: A908 GC or 1908 CZ) is a metallic background asteroid from the outer regions of the asteroid belt, approximately 36 kilometers (22 miles) in diameter. It was discovered on 6 April 1908, by American astronomer Joel Metcalf at the Taunton Observatory (803) in Massachusetts, United States. For its size, the M-type asteroid has a relatively short rotation period of 4.55 hours. It was named Quintilla, an Italian female first name, for no reason other than being the first asteroid name beginning with the letter "Q".

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