841 Arabella is an asteroid belonging to the Flora family in the Main Belt.[2] Its rotation period is 3.39 hours. It is named after the title character from Richard Strauss' opera Arabella.
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 1 October 1916 |
| Designations | |
MPC designation | (841) Arabella |
| Pronunciation | /ærəˈbɛlə/ |
Alternative designations | 1916 AL; 1928 DJ; 1930 YQ |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 85.30 yr (31156 d) |
| Aphelion | 2.4129 AU (360.96 Gm) |
| Perihelion | 2.0983 AU (313.90 Gm) |
Semi-major axis | 2.2556 AU (337.43 Gm) |
| Eccentricity | 0.069749 |
Orbital period (sidereal) | 3.39 yr (1237.3 d) |
Mean anomaly | 71.2877° |
Mean motion | 0° 17m 27.42s / day |
| Inclination | 3.7904° |
Longitude of ascending node | 354.733° |
Argument of perihelion | 120.347° |
| Earth MOID | 1.11599 AU (166.950 Gm) |
| Jupiter MOID | 2.63388 AU (394.023 Gm) |
| TJupiter | 3.618 |
| Physical characteristics | |
Synodic rotation period | 3.352 ± 0.005 h (0.13967 ± 0.00021 d)[2] |
Absolute magnitude (H) | 12.92 |
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