(57) Mnemosyne ( lat.Mnemosyne ) - an asteroid of the main belt , which belongs to the light spectral class S. It was discovered on September 22, 1859 by the German astronomer Robert Luther at the Düsseldorf Observatory and named after the titanide Mnemosyne , the daughter of Uranus and Gaia, the goddess who embodied the memory in ancient Greek mythology [2] .
- The orbit of the asteroid Mnemosyne and its position in the solar system
(57) Mnemosyne  | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Robert Luther |
| Place of discovery | Dusseldorf |
| Discovery date | September 22, 1859 |
| Eponym | Mnemosyne |
| Alternative notation | 1959 NT |
| Category | Main ring |
| Orbital characteristics | |
| Age of March 14, 2012 JD 2456000.5 | |
| Eccentricity ( e ) | 0.1154901 |
| Semimajor axis ( a ) | 471.22 million km (3.1499099 AU ) |
| Perihelion ( q ) | 416.799 million km (2,7861265 AU) |
| Aphelion ( Q ) | 525.641 million km (3,5136933 AU) |
| Circulation Period ( P ) | 2041.952 days (5.591 g ) |
| Average orbital speed | 16.726 km / s |
| Inclination ( i ) | 15,22101 ° |
| Longitude node (Ω) | 199.22839 ° |
| Perihelion Argument (ω) | 210.94237 ° |
| Median Anomaly ( M ) | 44.81782 ° |
| Physical Characteristics [1] | |
| Diameter | 112.59 km |
| Weight | 1,5⋅10 18 kg |
| Density | 2,000 g / cm³ |
| Acceleration of free fall on the surface | 0,0315 m / s² |
| 2nd space speed | 0.0595 km / s |
| Rotation period | 12,463 h |
| Spectral class | S |
| Apparent magnitude | 13.48 m (current) |
| Absolute magnitude | 7.03 m |
| Albedo | 0.2149 |
| Average surface temperature | 157 K (−116 ° C ) |
| Current distance from the sun | 3,497 a. e. |
| Current distance from earth | 3,778 a. e. |
In astrology, the asteroid Mnemosyne symbolizes the memory of the past, giving impetus to creativity; fixation. The meaning of the asteroid symbol is a set of Heaven and Earth. The position of Mnemosyne in the horoscope speaks about the features of human memory. James Lewis points out that Mnemosyne, who is in tense aspects, can mean weak memory or unpleasant memories [3] .
See also
- List of asteroids ( 1-100 )
- Classifications of Minor Planets
Notes
- ↑ Asteroid Data Sets
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003 .-- P. 20. - ISBN 3-540-00238-3 .
- ↑ CLASSIFICATION OF Asteroids bearing mythological names , Semira and V. Vetash, MYTHOLOGICAL ARCHETYPES OF THE ZODIAC
Links
- NASA's JPL Database of Small Bodies in the Solar System (57 )
- Small Solar System MPC Database (57 )
- Mnemosyne , New Astrological Encyclopedia