866 Fatme

866 Fatme
Discovery [1]
Discovered byM. F. Wolf
Discovery siteHeidelberg Obs.
Discovery date25 February 1917
Designations
(866) Fatme
Named after
Fatme, a character in the opera Abu Hassan
(Carl Maria von Weber)[2]
A917 DG · 1950 DF1
1917 BQ
main-belt [1][3] · (outer)
background [4][5]
Orbital characteristics [3]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 0
Observation arc102.93 yr (37,596 d)
Aphelion3.2871 AU
Perihelion2.9606 AU
3.1238 AU
Eccentricity0.0523
5.52 yr (2,017 d)
34.544°
0° 10m 42.6s / day
Inclination8.6616°
91.060°
263.20°
Physical characteristics
5.800±0.002 h[10]
SMASS = X [3]
9.50[1][3]

866 Fatme (prov. designation: A917 DG or 1917 BQ) is a large background asteroid, approximately 86 kilometers (53 miles) in diameter, located in the outer region of the asteroid belt. It was discovered by German astronomer Max Wolf at the Heidelberg-Königstuhl State Observatory on 25 February 1917.[1] The X-type asteroid has a short rotation period of 5.8 hours. It was named after "Fatme", a character in the opera Abu Hassan by Carl Maria von Weber (1786–1826).[2]

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