Superosculating intermediate orbits: Fourth-and fifth-order tangencies to trajectories of perturbed motion

Details Superosculating intermediate orbits: Fourth-and fifth-order tangencies to trajectories of perturbed motion Superosculating intermediate orbits: Fourth-and fifth-order tangencies to trajectories of perturbed motion

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006astl...32..845s&link_type=abstract

Astronomy Letters, Volume 32, Issue 12, pp.845-858

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The theory of superosculating intermediate orbits previously suggested by the author is developed. A new class of orbits with a fourth-order tangency to the actual trajectory of a celestial body at the initial time is constructed. Orbits with a fifth-order tangency have been constructed for the first time. The motion in the constructed orbits is represented as a combination of two motions: the motion of a fictitious attracting center with a variable mass and the motion relative to this center. The first motion is generally parabolic, while the second motion is described by the equations of the Gylden—Mestschersky problem. The variation in the mass of the fictitious center obeys Mestschersky’s first and combined laws. The new orbits represent more accurately the actual motion in the initial segment of the trajectory than an osculating Keplerian orbit and other existing analogues. Encke’s generalized methods of special perturbations in which the constructed intermediate orbits are used as reference orbits are presented. Numerical simulations using the approximations of the motions of Asteroid Toutatis and Comet P/Honda—Mrkos—Pajdušáková as examples confirm that the constructed orbits are highly efficient. Their application is particularly beneficial in investigating strongly perturbed motion.

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