Back 1054 فورسيتيا (كويكب) ARZ (1054) Forsytia Catalan (1054) Форсайтия CE (1054) Forsytia German 1054 Φορσυτία Greek 1054 Forsitio Esperanto (1054) Forsytia Spanish 1054 Forsytia Basque سیارک ۱۰۵۴ Persian (1054) Forsytia French
_Forsytia.png) Shape model of Forsytia from its lightcurve | |
| Discovery[1] | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 20 November 1925 |
| Designations | |
| (1054) Forsytia | |
| Pronunciation | /fɔːrˈsɪtiə/[2] |
Named after | Forsythia (flowering plant)[3] |
| 1925 WD · 1962 DD A907 EA | |
| main-belt · (outer)[4] background[5] | |
| Orbital characteristics[1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.32 yr (40,295 days) |
| Aphelion | 3.3198 AU |
| Perihelion | 2.5284 AU |
| 2.9241 AU | |
| Eccentricity | 0.1353 |
| 5.00 yr (1,826 days) | |
| 165.01° | |
| 0° 11m 49.56s / day | |
| Inclination | 10.849° |
| 85.888° | |
| 294.19° | |
| Physical characteristics | |
| Dimensions | 42.867±11.18 km[6] 45.42 km (derived)[4] 45.47±4.3 km[7] 46.40±13.38 km[8] 46.69±15.08 km[9] 47.780±3.344 km[10] 53.04±0.71 km[11] |
| 7.650±0.001 h[12] | |
| 0.035±0.013[10] 0.04±0.07[8] 0.048±0.002[11] 0.05±0.03[9] 0.0592 (derived)[4] 0.0648±0.014[7] 0.0750±0.0441[6] | |
| C (assumed)[4] | |
| 10.12[6] · 10.12±0.51[13] · 10.30[7][11] · 10.40[1][4][9] · 10.46[8] · 10.87[10] | |
1054 Forsytia /fɔːrˈsɪtiə/ is a dark background asteroid, approximately 46 kilometers in diameter, from the outer regions of the asteroid belt. It was discovered on 20 November 1925, by astronomer Karl Reinmuth at the Heidelberg-Königstuhl State Observatory in southwest Germany and assigned provisional designation 1925 WD.[14] It is named after the flowering plant forsythia, and marks the beginning of a sequence of 28 thematically named asteroids by the discoverer.[3]
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