Searched for: subject%3A%22JPL%22
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document
Mazouz, Rayan (author)
Autonomously landing a spacecraft on the surface of a planetary body with a degree of precision in the order of meters is highly challenging. Over the course of time, the landing ellipse, defined as the region with a 99% likelihood of where a space vehicle will land, has improved steadily but currently still has dimensions in the order of...
master thesis 2019
document
Amiri Simkooei, A. (author), Mohammadloo, Tannaz H. (author), Argus, D.F. (author)
The second reprocessing of all GPS data gathered by the Analysis Centers of IGS was conducted in late 2013 using the latest models and methodologies. Improved models of antenna phase center variations and solar radiation pressure in JPL’s reanalysis are expected to significantly reduce errors. In an earlier work, JPL estimates of position time...
journal article 2017