560 Delila

Delila (minor planet designation: 560 Delila) is a minor planet orbiting the Sun. It was named after the biblical character Delilah in Saint-Saëns's opera Samson et Dalila, which was first performed in German translation.

560 Delila

Discovery
Discovered by	M. F. Wolf
Discovery site	Heidelberg
Discovery date	13 March 1905
Designations
MPC designation	(560) Delila
Pronunciation	/dɛˈlaɪlə/,[1] German: [deːliːlaː]
Alternative designations	1905 QF
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	111.10 yr (40580 d)
Aphelion	3.1947 AU (477.92 Gm)
Perihelion	2.3053 AU (344.87 Gm)
Semi-major axis	2.7500 AU (411.39 Gm)
Eccentricity	0.16171
Orbital period	4.56 yr (1665.7 d)
Mean anomaly	187.50°
Mean motion	0° 12^m 58.032^s / day
Inclination	8.4698°
Longitude of ascending node	105.351°
Argument of perihelion	3.8614°
Physical characteristics
Mean radius	18.62±0.65 km
Rotation period	29.913 h (1.2464 d)
Geometric albedo	0.0733±0.005
Absolute magnitude (H)	11.0

References

1. 'Delilah' in Noah Webster (1884) A Practical Dictionary of the English Language
2. "560 Delila (1905 QF)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.

External links

• 560 Delila at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 560 Delila at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters