307 Nika which he was discovered [1] .
| (307) Nika | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Auguste Charlotte |
| Place of discovery | Nice |
| Discovery date | March 5, 1891 |
| Eponym | Nika |
| Alternative notation | 1957 LM |
| Category | Main ring |
| Orbital characteristics | |
| Age of August 27, 2011 JD 2455800.5 | |
| Eccentricity ( e ) | 0.1411072 |
| Semimajor axis ( a ) | 435.118 million km (2.9085855 AU ) |
| Perihelion ( q ) | 373.72 million km (2,4981631 a.u.) |
| Aphelion ( Q ) | 496.517 million km (3.3190079 AU) |
| Circulation Period ( P ) | 1811.846 days (4.961 g. ) |
| Average orbital speed | 17.377 km / s |
| Inclination ( i ) | 6.12897 ° |
| Longitude node (Ω) | 101.02777 ° |
| Perihelion Argument (ω) | 324.99400 ° |
| Median Anomaly ( M ) | 212.31900 ° |
| physical characteristics | |
| Diameter | 54.96 km |
| Weight | 1.74⋅10 17 kg |
| Density | 2,000 g / cm³ |
| Acceleration of free fall on the surface | 0.0154 m / s² |
| 2nd space speed | 0.0291 km / s |
| Rotation period | 7.902 ± 0.005 h |
| Apparent magnitude | 15.94 m (current) |
| Absolute magnitude | 10.12 m |
| Albedo | 0,0524 |
| Average surface temperature | 165 K (−108 ° C ) |
| Current distance from the sun | 2,915 a. e. |
| Current distance from earth | 3,751 a. e. |
The orbit of the asteroid Nick and his position in the solar system
On December 2, 1972, the Pioneer 10 unmanned spacecraft, crossing the main asteroid belt , passed Nick’s asteroid (307) at a distance of 8.8 million km [2] .
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. 41. - ISBN 3-540-00238-3 .
- ↑ Fimmel, Richard O. Pioneer: first to Jupiter, Saturn, and beyond / Richard O. Fimmel, James van Allen, Eric Burgess. - Washington DC, USA: NASA Scientific and Technical Information Office, 1980.