Open AccessComparison of the semi-major axis drift taking into account the Yarkovsky effect in two orbital reference frames
Author(s) -
Т. Н. Санникова
Publication year - 2022
Publication title -
astronomy at the epoch of multimessenger studies. proceedings of the vak-2021 conference, aug 23–28, 2021
Language(s) - English
Resource type - Conference proceedings
DOI - 10.51194/vak2021.2022.1.1.030
Subject(s) - physics , asteroid , acceleration , orbit (dynamics) , orbital elements , reference frame , transverse plane , classical mechanics , orbital mechanics , orbital inclination , celestial mechanics , orbital plane , mechanics , astrophysics , frame (networking) , astronomy , aerospace engineering , mathematics , telecommunications , satellite , arithmetic , structural engineering , binary number , computer science , engineering
Let the asteroid move under the inuence of the attraction to the Sun and the Yarkovsky force. For this problem, thelong-term evolution of the semi-major axis is investigated by solving the averaged equations of motion. The drift of thesemi-major axis of the object’s orbit occurs under the action of the transverse or tangential component of the perturbingacceleration, but, obviously, the drift magnitude should not depend on the choice of the frame of reference. We found thenumerical values of the transverse and tangential components of acceleration as average values over the orbital period basedon the linear thermophysical model of the Yarkovsky force and calculated both semi-major axis drifts over 1 million yearsfor 12 asteroids with various orbital eccentricities. Comparative analysis showed that when simulating the Yarkovsky eectby transverse acceleration, the drift estimate can be overestimated for objects with highly elliptical orbits.