4257 Ubasti
Encyclopedia
4257 Ubasti is an Apollo asteroid
and Near-Earth object
discovered on August 23, 1987 by Jean Mueller
at Palomar Observatory
.
Apollo asteroid
The Apollo asteroids are a group of near-Earth asteroids named after 1862 Apollo, the first asteroid of this group to be discovered by Karl Wilhelm Reinmuth...
and Near-Earth object
Near-Earth object
A near-Earth object is a Solar System object whose orbit brings it into close proximity with the Earth. All NEOs have a perihelion distance less than 1.3 AU. They include a few thousand near-Earth asteroids , near-Earth comets, a number of solar-orbiting spacecraft, and meteoroids large enough to...
discovered on August 23, 1987 by Jean Mueller
Jean Mueller
Jean Mueller is an American astronomer.Working at Palomar Observatory, she has discovered a total of 15 comets, including 7 periodic comets 120P/Mueller, 131P/Mueller, 136P/Mueller, 149P/Mueller, 173P/Mueller, 188P/LINEAR-Mueller, 190P/Mueller, and 8 non-periodic comets.She has also discovered 10...
at Palomar Observatory
Palomar Observatory
Palomar Observatory is a privately owned observatory located in San Diego County, California, southeast of Pasadena's Mount Wilson Observatory, in the Palomar Mountain Range. At approximately elevation, it is owned and operated by the California Institute of Technology...
.