7796 Járacimrman

Encyclopedia : 7 : 77 : 779 : 7796 Járacimrman

**7796 Járacimrman**
Orbital elements
Eccentricity (orbit)>e
Inclination>i	°
Perihelion>q	AU
Argument of perihelion>ω	°
Semi-major axis>a	AU
Longitude of the ascending node>ω	°
Aphelion>Q	AU
Mean anomaly>M	°
Orbital period>P	years
Mean motion>n	°/day
Time of perihelion passage>TP

7796 Járacimrman (sometimes spelt as Jaracimrman) is an asteroid orbiting in the main belt of asteroids between Mars and Jupiter. It belongs among the Ila family of asteroids. It cannot approach the Earth nearer than 197 million km.

Contents

1 The discovery
2 Physical characteristics
3 External links
4 References

The discovery

The asteroid was discovered on the Kleť Observatory (Czech Republic) on 16 January 1996 by Zdeněk Moravec and was designated 1996 BG. It was observed until April 1996 and then in June and July 1997. It was discovered to be a lost asteroid which had previously been observed twice: at Brera-Merate Observatory in northern Italy on 12 December 1973 and at Mount Stromlo Observatory (near Canberra, Australia) on 8 and 9 July 1990.

In 1997 its orbit was determined more precisely by a number of other observatories and thus it could be numbered as asteroid 7796. It became the 312th numbered asteroid discovered at the Kleť Observatory, and Moravec suggested to name it after the fictional Czech genius Jára Cimrman.

The citation accompanying the suggestion said: "Named for Jára Cimrman, a fictitious Czech genius. An analogue to Leonardo da Vinci, he was a playwright, composer, poet, painter, versatile scientist, inventor, polar explorer, sportsman, first man on the moon, etc. Although his name is not mentioned in any encyclopedia, his work is explored at the Jára Cimrman Theatre in Prague. This theatre is headed by the famous cimrmanologists Z. Svěrák and L. Smoljak, who endorsed the name proposal." [link]

The IAU Committee on Small Body Nomenclature approved this name in 1998.

Physical characteristics

On the basis of its absolute magnitude in the visible light spectrum and supposed albedo (which usually varies from 0.05 to 0.25 for the main belt asteroids) the diameter of the asteroid 7796 Járacimrman can be estimated from 6.7 to 14.9 km. Since astronomers do not have the spectral data on the asteroid, neither its chemical nor mineralogical composition is known.

External links

References

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