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458 Hercynia
| Discovery [1] | |
|---|---|
| Discovered by | M. F. Wolf A. Schwassmann |
| Discovery site | Heidelberg Obs. |
| Discovery date | 21 September 1900 |
| Designations | |
| (458) Hercynia | |
| Pronunciation | /hərˈsɪniə/[2][3] |
Named after | Hercynian Forest [4] (ancient European forest) |
| 1900 FK · 1947 XB 2016 FW5 · A902 CA A915 PD | |
| main-belt · (outer) [5] background [6] | |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 116.79 yr (42,656 days) |
| Aphelion | 3.7176 AU |
| Perihelion | 2.2784 AU |
| 2.9980 AU | |
| Eccentricity | 0.2400 |
| 5.19 yr (1,896 days) | |
| 178.41° | |
| 0° 11m 23.64s / day | |
| Inclination | 12.640° |
| 134.26° | |
| 276.79° | |
| Physical characteristics | |
| Dimensions | 33.70±7.94 km[7] 36.10±0.85 km[8] 36.698±0.408 km[9] 38.57 km (derived)[5] 38.75±1.0 km[10] 41.410±1.172 km[11] 42.27±0.92 km[12] |
| 15.33±0.04 h[13] 16 h[14] 21.806±0.006 h[15] 22.3 h[16] 22.41±0.01 h[14] | |
| 0.1435±0.0205[11] 0.145±0.007[12] 0.1654±0.009[10] 0.19±0.10[7] 0.191±0.034[8] | |
| Tholen = S [1] SMASS = L [1] · L [17] · M [11] B–V = 0.885[1] U–B = 0.471[1] | |
| 9.63[1][8][10][12] · 9.64[5][11][16] · 9.64±0.24[18] · 9.72[7] | |
458 Hercynia, provisional designation 1900 FK, is a background asteroid from the outer regions of the asteroid belt, approximately 38 kilometers in diameter. It was discovered on 21 September 1900, by astronomers Max Wolf and Arnold Schwassmann at the Heidelberg-Königstuhl State Observatory in southwest Germany.[19] The asteroid was named for the ancient Hercynian Forest, known to the Romans as "Hercynia silva".[4]
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- ^ Noah Webster (1884) A Practical Dictionary of the English Language
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