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Two parameters, initial eccentricity and ballistic coefficient, are chosen for optimal estimation.
Vehicle mass characteristics as evidenced by the successful manned spacecraft and the resultant ballistic coefficient are explored.
The entry states dispersion analysis under uncertainties of ballistic coefficient, lift-to-drag ratio and atmospheric density are discussed.
In addition to estimate the missile's position and velocity, our special focus is put on the estimation of the TBMs evasive acceleration and ballistic coefficient.
The method is tested using the GRACE satellites, and a number of debris objects with external ballistic coefficient values, and agreements of about 10% are achieved.
The main characteristics of IRENE is the "umbrella-like" deployable front structure that reduces the capsule ballistic coefficient, leading to acceptable heat fluxes, mechanical loads, stability and final descent velocity.
Similar(40)
The influence on accuracy of uncertainties in other forces, the ballistic coefficients and thermospheric winds, has been assessed.
The results allow for orbit design trade-offs, including satellites׳ initial inclinations, semi-major axes, as well as the ballistic coefficients.
This paper presents a new method for estimating ballistic coefficients (BCs) of low perigee debris objects from their historical two line elements (TLEs).
In this paper, we present a model of atmospheric drag effects on the trajectory of two hypothetical LEO satellites of different ballistic coefficients, initially injected at h= 450 km.
A main development is the estimation of the ballistic coefficients of the LEO objects from their archived long-term two line elements (TLE).
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com