Probabilistic Initial Orbit Determination using Radar Returns
The most complete description of the state of a system at any time is given by knowledge of the probability density function, which describes the locus of possible states conditioned on any available measurement information. When employing radar returns, an admissible region approach provides a physics-based region of the right-ascension rate/declination rate space of possible Earth-bound orbit solutions. This work develops a method that employs a probabilistic interpretation of the admissible region and approximates the admissible region by a Gaussian mixture to formulate an initial orbit determination solution.
K. J. DeMars and M. K. Jah, "Probabilistic Initial Orbit Determination using Radar Returns," Proceedings of the AAS/AIAA Astrodynamics Specialist Conference (2013, Hilton Head, SC), vol. 150, pp. 35-54, Univelt Inc., Jan 2014.
AAS/AIAA Astrodynamics Specialist Conference (2013: Aug. 11-15, Hilton Head, SC)
Mechanical and Aerospace Engineering
Keywords and Phrases
Earth (planet); Orbits; Probability density function; Radar; Admissible regions; Gaussian mixtures; Initial orbit determinations; Measurement information; Physics-based; Probabilistic interpretation; Radar returns; Astrophysics
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Article - Conference proceedings
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