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.
| 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 (sidereal) | 4.56 yr (1665.7 d) |
Mean anomaly | 187.50° |
Mean motion | 0° 12m 58.032s / day |
| Inclination | 8.4698° |
Longitude of ascending node | 105.351° |
Argument of perihelion | 3.8614° |
| Physical characteristics | |
Mean radius | 18.62±0.65 km |
Synodic rotation period | 29.913 h (1.2464 d) |
Geometric albedo | 0.0733±0.005 |
Absolute magnitude (H) | 11.0 |
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