Chinese Space Science and Technology ›› 2013, Vol. 33 ›› Issue (5): 62-68.doi: 10.3780/j.issn.1000-758X.2013.05.010

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ASetofNovelOrbitalElementsModelingApproachUsingQuaternion

 CAO  Jing, YUAN  Jian-Ping, LUO  Jian-Jun   

  1. (NationalKeyLaboratoryofAerospaceFlightDynamics,NorthwesternPolytechnicalUniversity,Xi′an710072)
  • Received:2012-10-10 Revised:2013-01-28 Published:2013-10-25 Online:2013-10-25

Abstract: Focusedonthesingular,indeterminationandthecalculationinefficiencyoftraditionalorbitalelementsbasedonEulerangles,asetofnovelorbitalelementsusingquaternionwasproposed.Therelationshipsofthenovelelementsandtheclassicorbitalelements,aswellasthenovelelementsandthepositionandvelocityintheinertialcoordinatewerebuilt.TheGaussperturbationequationswerederivedbasedonthenovelelements.Thevalidityandadvantageswerevalidatedbythepropagationoftheorbitunder J2 rturbation.Theresultsshowthatthenovelelementscannotonlyavoidthesingularandindeterminationincircularandequatorialorbit,butalsowithhighercalculationefficiencyandaccuracyforitsoperationwithouttrigonometricfunction.

Key words: Quaternion, Eulerangle, Orbitalelement, Gaussperturbationequation, Orbitalperturbation