(373) Melusine ( Latin: Melusine ) is a rather large asteroid of the main belt , which was discovered on September 15, 1893 by the French astronomer Auguste Charlois at the Nice Observatory and named after Melusine , fairies from Celtic and medieval legends, the spirit of fresh water in holy sources [ 1] .
- The orbit of the asteroid Melusin and its position in the solar system
| (373) Melusin | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Auguste Charlotte |
| Place of discovery | Nice |
| Discovery date | September 15, 1893 |
| Eponym | Melusin |
| Alternative notation | 1893 AJ ; 1937 TL; 1948 TZ |
| Category | Main ring |
| Orbital characteristics | |
| Age of April 18, 2013 JD 2456400.5 | |
| Eccentricity ( e ) | 0.1429792 |
| Semimajor axis ( a ) | 316.823 million km (2,1178283 AU ) |
| Perihelion ( q ) | 271.524 million km (1.8150229 AU) |
| Aphelion ( Q ) | 362.122 million km (2,4206337 AU) |
| Circulation Period ( P ) | 1125.731 days (3.082 g. ) |
| Average orbital speed | 20.362 km / s |
| Inclination ( i ) | 15.42908 ° |
| Longitude node (Ω) | 3.85257 ° |
| Perihelion Argument (ω) | 347.77086 ° |
| Median Anomaly ( M ) | 272.56692 ° |
| physical characteristics | |
| Diameter | 95.77 km |
| Weight | 9.2⋅10 17 kg |
| Density | 2,000 g / cm³ |
| Acceleration of free fall on the surface | 0.0268 m / s² |
| 2nd space speed | 0.0506 km / s |
| Rotation period | 12.97 h |
| Spectral class | C |
| Apparent magnitude | 13.14 m (current) |
| Absolute magnitude | 9.13 m |
| Albedo | 0.0429 |
| Average surface temperature | 160 K (−113 ° C ) |
| Current distance from the sun | 2.05 a. e. |
| Current distance from earth | 1,711 a. e. |
See also
- The list of asteroids ( 301-400 )
- Classifications of Minor Planets
Notes
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003 .-- P. 46. - ISBN 3-540-00238-3 .