ასტეროიდები

asteroidebis mTavari sartyeli (naCvenebia TeTrad). is marsisa da iupiteris orbitaTa Soris mdebareobs.

mzis sistemaSi aseul aTasobiT SedarebiT mcire uswormasworo myari
sxeulia, romelTa umetesoba mzis irgvliv asteroidebis mTavar
sartyelSi. asteroidebis sartyeli aris mzis sistemis regioni, romelic
moTavsebulia daaxloebiT marsisa da iupiteris orbitebs Soris. es are
dakavebulia uamravi uswormasworo (uformo) sxeulis mier, romelTac
asteroidebi an mcire planetebi ewodeba. asteroidebis sartyels aseve
ewodeba mTavari sartyeli, imisaTvis, rom is ganvasxvaoT mcire
planetebis sxva dajgufebebisagan (kai pas sartyeli, gabneuli diski).
2
mTavari sartyelis asteroidebis mTeli masis naxevarze meti aqvs oTx
udides asteroids ceresss, 4 vestas, 2 palass da 10 higias. yovel maTgans
diametri 400 km-ze meti aqvs ceresis diametri, romelic sartyelis
erTaderTi juja planetaa, 950 km-s udris. danarCeni sxeulebi gacilebiT
mcire zomisaa, maTi zomebi ramdenime aseuli km-dan mtvris nawilakebis
zomamde icvleba

 

   mTavari sartylis farTobi ekli ptikis sibrtyeSi 1.74×1018 km2-ia. amis gamoasteroidebis did raodenobis miuxedavad es sxeulebi erTmaneTisagan sakmaod daSorebulia da asteroidebis sartyelSi nivTiereba ise gauxSoebulia, rom bevrma kosmosurma xomaldma yovelgvari Sejaxebis gareSe gaiara es sivrce.

   asteroidebis sartyeli Seiqmna mzis nebuladan Canasaxovani planetebis
(planetisimalebis) jgufis saxiT. marssa da iupiters Soris giganturi
planetis gravitaciulma velma Zalian didi enegia mianiWa
planetisimalebs da maT ver SesZles akrecia da planetad Camoyalibeba.
didi energiis gamo Sejaxebebi Zalzed Zlieri iyo da SeerTebis
(Sewebebis) nacvlad planetisimalebi imsxvreoda. Sedegad mTavari
sartyelis ZiriTadi masa daikarga mzis sistemis Camoyalibebis Semdeg.
garkveuli nawili am sartyelidan sabolood mzis sistemis Sida nawilSi
aRmoCnda da mravali maTgani meteorebis saxiT Seejaxa Sida planetebs.
asteroidebis orbitebi axlac ganicdis SeSfoTebas da maTi mzis
irgvliv brunvis periodi qmnis orbital rezonanss iupiterTan.

 1781 wels uiliam herSelma planeta urani aRmoaCina titius-bodes
kanoniT nawinaswarmetyveleb manZilze, wamyvanma astronomebma daaskvnes,
rom 2.8 a. e. manZilze mzidan, marsisa da iupiteris orbitebs Soris,
aucileblad unda yofiliyo planeta.