946 Poësia

946 Poësia
Discovery
Discovered by	M. F. Wolf
Discovery site	Heidelberg Obs.
Discovery date	11 February 1921
Designations
MPC designation	(946) Poësia
Pronunciation	/poʊˈiːsiə/
Named after	poetry (goddess of poetry)
Alternative designations	A921 CD · 1959 AA A911 KB · 1911 KB 1921 JC
Minor planet category	main-belt · (outer) Themis
Orbital characteristics
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc	98.66 yr (36,034 d)
Aphelion	3.5647 AU
Perihelion	2.6709 AU
Semi-major axis	3.1178 AU
Eccentricity	0.1433
Orbital period (sidereal)	5.51 yr (2,011 d)
Mean anomaly	30.119°
Mean motion	0° 10^m 44.4^s / day
Inclination	1.4312°
Longitude of ascending node	69.661°
Argument of perihelion	37.936°
Physical characteristics
Mean diameter	36.210±0.149 km 39.60±0.64 km 43.75±4.6 km
Synodic rotation period	108.5±0.5 h
Geometric albedo	0.0627±0.015 0.079±0.003 0.097±0.008
Spectral type	Tholen = FU Barucci = C0 B–V = 0.667±0.018 U–B = 0.336±0.024
Absolute magnitude (H)	10.6

946 Poësia /poʊˈiːsiə/ is a Themis asteroid and slow rotator, approximately 39 kilometers (24 miles) in diameter, located in the outer regions of the asteroid belt. It was discovered by German astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory on 11 February 1921 and given the provisional designations A921 CD and 1921 JC. The F-type asteroid has a long rotation period of 108.5 hours. It was named after the goddess of poetry.