464 Megaira information

464 Megaira
Discovery
Discovered by	M. F. Wolf
Discovery site	Heidelberg Obs.
Discovery date	9 January 1901
Designations
MPC designation	(464) Megaira
Pronunciation	/mɪˈɡaɪərə/ (Megaira); /mɪˈdʒɪərə/ (Megaera)
Named after	Megaera; (Greek mythology)
Alternative designations	A901 AB · 1929 AH; A912 JB · A912 JC; A916 FD · 1901 FV
Minor planet category	main-belt · (middle); background ;
Orbital characteristics
	Epoch 31 May 2020 (JD 2459000.5)
	Uncertainty parameter 0
Observation arc	119.07 yr (43,489 d)
Aphelion	3.3764 AU
Perihelion	2.2248 AU
Semi-major axis	2.8006 AU
Eccentricity	0.2056
Orbital period (sidereal)	4.69 yr (1,712 d)
Mean anomaly	253.43°
Mean motion	0° 12m 37.08s / day
Inclination	10.170°
Longitude of ascending node	102.37°
Argument of perihelion	258.19°
Physical characteristics
Mean diameter	74.04±5.9 km; 77.056±0.450 km; 79.28±1.16 km;
Synodic rotation period	12.879±0.001 h
Geometric albedo	0.045±0.002; 0.046±0.011; 0.0502±0.009;
Spectral type	Tholen = FXU: ; SMASS = C ; B–V = 0.638±0.063;
Absolute magnitude (H)	9.7

464 Megaira (prov. designation: A901 AB or 1901 FV) is a dark and large background asteroid, approximately 77 kilometers (48 miles) in diameter, located in the central region of the asteroid belt. It was discovered by astronomer Max Wolf at the Heidelberg Observatory in southwest Germany on 9 January 1901.^[1] The carbonaceous C-type asteroid (FX) has a rotation period of 12.9 hours. It was named after Megaera from Greek mythology.^[3]

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^ "Megaera". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 22 March 2020.
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[2] "Megaera". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 22 March 2020.

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