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FIZIKA A 19 (2010) 3 , 133-144
 
PLANETARY ORBITS IN SOLAR AND EXTRASOLAR SYSTEMS
ANTUN RUBČIĆ and JASNA RUBČIĆ
Department of Physics, Faculty of Science, University of Zagreb, Bijenička c. 32,
10000 Zagreb, Croatia E-mail address: rubcic@phy.hr
Received 20 May 2010; Revised manuscript received 18 December 2010
Accepted 5 January 2011 Online 20 February 2011
The analysis of orbital parameters of planets and main
planetary satellites of the solar system, published by
the present authors,
suggests that the Sun's system could be a "prototype" for
the distribution of orbits in extrasolar planetary
systems. Owing to the recent endeavours in detecting
exoplanets, it became possible and suitable to check
this assumption. Particularly useful in this work are
the multiple extrasolar system with at least four
planets. Unfortunately, there are only four stars
satisfying this requirement. At the present time
eleven stars with three planets have also been observed,
which may also be taken into account in reaching
reasonable assertions. Quantization of orbits in the
solar system by orbital number, the integer n, and
quantization of the product nvn (vn is the orbital
velocity) by the spacing number, integer k, is also
found in extrasolar planets. It is expected that new
discoveries will support the present findings.
PACS numbers: 95.10.Ce, 95.10.Fh, 95.30.-t
UDC 523.2, 531.35
Keywords: quantization of orbits, solar planets, satellites of planets, extrasolar planetary systems
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