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Precision of the Ephemerides of Outer Planetary Satellites by Nikolay Emelyanov is a Physics and Astronomy article available to read on EtoBox.
What is Precision of the Ephemerides of Outer Planetary Satellites about?
a b s t r a c t Ephemerides of planetary satellites are needed to address many problems. These ephemerides are used for subsequent observations. A comparison of the available ephemerides with new observations allows the accuracy of the former to be assessed. However, the precision of the ephemerides must be known a priori when solving the tasks. In this paper we formulate and solve the problem of estimating the precision of the ephemerides of outer planetary satellites derived from observations when applied up to the future moments. The methods of assessing the precision of ephemerides involve producing a set of samples of the same ephemeris inferred from observations with different samples of Monte Carlo generated random errors (RO) superimposed onto it. The statistical parameters of simulated observational errors are based on the results of the reduction of real satellite observations. We compute the deviations of the samples of the ephemeris from the standard ephemeris inferred from real observations and adopt the rootmean-square deviation of the apparent coordinates as the precision of the ephemeris. We also use alternative methods: one based on the matrix of covariances of par
Who reads Precision of the Ephemerides of Outer Planetary Satellites?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- Nikolay Emelyanov
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0032-0633)
- Published
- 2010
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)