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Statistične lastnosti kometov v odvisnosti od njihove orbitalne periode
ID Mikuš, Aljaž (Author), ID Zwitter, Tomaž (Mentor) More about this mentor... This link opens in a new window

URLURL - Presentation file, Visit http://pefprints.pef.uni-lj.si/5849/ This link opens in a new window

Abstract
V diplomski nalogi bralcu predstavljam lastnosti tirov, po katerih se gibljejo kometi. Na začetku bom nekaj besed namenil astronomskim opazovanjem, razlagi nebesne mehanike in šestih elementov Keplerjanskih tirov. Nato bom opisal, kako lahko z le nekaj opazovanji določimo vrednosti elementov tira opazovanega kometa. Čeprav se bom večinoma osredotočil na tire gibanja kometov pa je potrebno vedeti tudi, kaj to kometi so, kakšna je njihova zgradba in, ker se lastnosti Keplerjanskih tirov razlikujejo glede na področje v Osončju iz katerega kometi izvirajo, bom predstavil tudi Kuiperjev pas ter Oortov oblak. Ker gibanje kometa ni konstantno, saj nanje poleg Sonca lahko vplivajo tudi druga masivnejša astronomska telesa, bom nekaj besed namenil tudi razlagi teh motenj. Da ne bo dvoma o resničnosti lastnosti Keplerjanskih tirov in razlik med posameznimi tiri, bom teorijo podkrepil tudi z analizo vzorca do sedaj znanih dolgoperiodičnih in kratkoperiodičnih kometov.

Language:Slovenian
Keywords:Keplerjanski tiri
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:PEF - Faculty of Education
Year:2019
PID:20.500.12556/RUL-108826 This link opens in a new window
COBISS.SI-ID:12515657 This link opens in a new window
Publication date in RUL:20.08.2019
Views:1052
Downloads:207
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Secondary language

Language:English
Title:Statistical characteristics of comets based on their orbital period
Abstract:
In this thesis I present characteristics of comet orbits. In the beginning I will introduce relevant astronomical observations, basics of celestial mechanics and six elements of Kepler orbits. Then I will describe how only a few observations can be used to determine orbital parameters of observed comet. Although I will mostly concentrate on orbits it is still important to know what comets are, their structure and how their orbits depend on their origin which may be either in Kuiper Belt or in Oort Cloud. Orbit of a comet may not be constant, as there are other massive celestial bodies apart from the Sun which may be influencing it, so I will devote a few words to explain these perturbations. Finally, I will discuss statistical properties of orbits of known short period and long period comets which suggest their origin and their recent perturbations by other bodies in the Solar system and beyond.

Keywords:Kepler orbit

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