(70) Panopea ( lat. Panopaea ) is an asteroid of the main belt , which belongs to the dark spectral class C and is a member of the family Evynomii . It was discovered on May 5, 1861 by the German astronomer Hermann Goldschmidt with the help of a 4-inch telescope located on the sixth floor of his apartment in the Latin Quarter of Paris , and is named after Panopea , the daughter of Nerea in ancient Greek mythology . The name was suggested by the British astronomer Robert Man - President of the British Royal Astronomical Society [6] .
- Orbit of the asteroid Panopeya and its position in the solar system
| (70) Panopeya | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | G. Goldschmidt |
| Detection point | Paris |
| Date of discovery | May 5, 1861 |
| Eponym | Panopeya |
| Category | Main ring ( Family of Evomnii ) |
| Orbital characteristics | |
| The Age of March 14, 2012 JD 2456000.5 | |
| Eccentricity ( e ) | 0.1824330 |
| Semi-axis ( a ) | 391.055 million km (2.6140419 a. E.) |
| Perihelion ( q ) | 319.714 million km (2.1371544 a. E.) |
| Afhelia ( Q ) | 462.396 million km (3.0909294 a. E.) |
| Period of circulation ( P ) | 1,543,715 days (4,226 g ) |
| Average orbital speed | 18.268 km / s |
| Inclination ( i ) | 11.59195 ° |
| Ascending node longitude (Ω) | 47,74150 ° |
| Perihelion Argument (ω) | 255.67156 ° |
| Mean Anomaly ( M ) | 184,24822 ° |
| Physical characteristics [4] | |
| Diameter | 122.17 ± 2.3 km [1] |
| Weight | 2.76⋅10 18 kg |
| Density | 2,000 g / cm³ |
| Acceleration of gravity on the surface | 0.0342 m / s² |
| 2nd cosmic speed | 0.0646 km / s |
| Rotation period | 15.797 [2] |
| Spectral class | C (Ch) [5] |
| Absolute magnitude | 8.11 [3] |
| Albedo | 0.0675 ± 0.003 [1] |
| Average surface temperature | 174 K (−99 ° C ) |
| Current distance from the Sun | 2,722. e. |
| Current distance from Earth | 3.182 a. e. |
See also
- List of asteroids ( 1—100 )
- Small Planet Classifications
Notes
- ↑ 1 2 Tedesco et al. Supplemental IRAS Minor Planet Survey (SIMPS) . IRAS-A-FPA-3-RDR-IMPS-V6.0 . (2004). The date of circulation is December 31, 2008. Archived January 21, 2009.
- ↑ Schroll and Schober. Lightcurves and rotation periods for asteroids 70 Panopaea and 235 Carolina (Eng.) // Astronomy and Astrophysics Supplement Series : journal. - EDP Sciences , 1983. - Vol. 53 . - p . 77-79 .
- ↑ Tholen. Asteroid Absolute Magnitudes . EAR-A-5-DDR-ASTERMAG-V11.0. . (2007). The date of circulation is December 31, 2008. Archived June 17, 2012.
- ↑ Asteroid Data Sets (English)
- ↑ Neese. Asteroid Taxonomy . EAR-A-5-DDR-TAXONOMY-V5.0 . (2005). The appeal date is December 27, 2008. Archived June 7, 2012.
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003. - P. 22. - ISBN 3-540-00238-3 .