.png) Lightcurve-based 3D-model of Nysa | |
| Discovery | |
|---|---|
| Discovered by | H. Goldschmidt |
| Discovery date | 27 May 1857 |
| Designations | |
| (44) Nysa | |
| Pronunciation | /ˈnaɪsə/[1] |
Named after | Nysa |
| 1977 CE | |
| Main belt (Nysa) | |
| Adjectives | Nysian /ˈnɪsiən/[2][3] |
| Orbital characteristics[4] | |
| Epoch 2008-05-14 (JD 2454600.5) | |
| Aphelion | 2.78291235 AU (416.3 Gm) |
| Perihelion | 2.06469721 AU (308.9 Gm) |
| 2.42380478 AU (362.6 Gm) | |
| Eccentricity | 0.148158617 ± 5.7499e-08 |
| 3.77 yr | |
| 118.743236 ± 2.4281e-05° | |
| Inclination | 3.7028885 ± 6.2628e-06° |
| 131.59519 ± 1.0657e-04° | |
| 342.52066 ± 1.0904e-04° | |
| Physical characteristics | |
| Dimensions | 113±10 × 67±10 × 65±12 km[5] |
| Mass | (7.72 ± 3.92/1.52)×1017 kg[6] |
Mean density | 3.405 ± 1.727/0.672 g/cm3[6][a] |
| 6.421417 ± 0.000001[7] | |
Pole ecliptic latitude | +58 ± 3°[7] |
Pole ecliptic longitude | 98 ± 2°[7] |
| 0.44 ± 0.10 (vis.)[5] 0.19 ± 0.06 (rad.)[5] | |
| E[7] | |
| 8.83 to 12.46 | |
| 7.03 [4] | |
| 0.09" to 0.026" | |
44 Nysa is a large and very bright main-belt asteroid, and the brightest member of the Nysian asteroid family. It is classified as a rare class E asteroid and is probably the largest of this type (though 55 Pandora is only slightly smaller).
- ^ Noah Webster (1884) A Practical Dictionary of the English Language
- ^ Katz (2004) The complete elegies of Sextus Propertius
- ^ Stein (2004) Persephone Unveiled
- ^ a b "44 Nysa". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 44.
- ^ a b c Cite error: The named reference
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