(192) Nausicaa ( dr. Greek Ναυσικάα ) is a rather large asteroid of the main belt , belonging to the light spectral class S. It was discovered on February 17, 1879 by the Austrian astronomer Johann Paliz at the observatory in Pula and named after Nausikai , the daughter of Alkinoi (the king of the feacs ) and Aretha , the heroine of Homer ’s poem “ Odyssey ”, according to ancient Greek mythology .
| (192) Nausicaa | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Johann Palise |
| Place of discovery | Pula |
| Discovery date | February 17, 1879 |
| Eponym | Nausicaa |
| Alternative notation | 1933 HH |
| Category | Main ring |
| Orbital characteristics | |
| Age of March 14, 2012 JD 2456000.5 | |
| Eccentricity ( e ) | 0.24617 |
| Semimajor axis ( a ) | 359.455 million km (2.40281 AU ) |
| Perihelion ( q ) | 270.968 million km (1.81131 AU) |
| Aphelion ( Q ) | 447.942 million km (2,99431 AU) |
| Circulation Period ( P ) | 1360.434 days (3.725 g. ) |
| Average orbital speed | 18.92 km / s |
| Inclination ( i ) | 6.816 ° |
| Longitude node (Ω) | 343,300 ° |
| Perihelion Argument (ω) | 30.166 ° |
| Median Anomaly ( M ) | 231.915 ° |
| physical characteristics | |
| Diameter | 103.26 km |
| Weight | 1.15⋅10 18 kg |
| Density | 2,000 g / cm³ |
| Acceleration of free fall on the surface | 0.0289 m / s² |
| 2nd space speed | 0.0546 km / s |
| Rotation period | 13.625 h |
| Spectral class | S |
| Apparent magnitude | 12.87 m (current) |
| Absolute magnitude | 7.13 m |
| Albedo | 0.2330 |
| Average surface temperature | 173 K (−100 ° C ) |
| Current distance from the sun | 2.81 a. e. |
| Current distance from earth | 3,422 a. e. |
The orbit of the asteroid Nausicaa and its position in the solar system
Judging by the light curves, this asteroid is irregular in shape, but not too elongated. In addition, according to unconfirmed reports, he may have his own satellite. Coverage of stars with this asteroid was recorded in 1998 in the United States.
See also
- The list of asteroids ( 101-200 )
- Classifications of Minor Planets