::(5645) 1990 SP


Jpldata::category    Title::solar    Bodies::system    Absolute::asteroid    McNaught::apollo    Robert::reflist

(5645) 1990 SP is an Apollo-type near-Earth minor planet. It was discovered by Robert H. McNaught at the Siding Spring Observatory in Canberra, Australia, on September 20, 1990. Further observations of it was made by amateur astronomer Mohammed Alsunni of Sudan, that led to the refinement of its orbital calculations. (5645) 1990 SP makes close approaches to Mars and Earth.<ref name=jpldata/> On 1969-Apr-14 the asteroid passed {{safesubst:#invoke:convert|convert}} from Mars.<ref name=jpldata/> With an absolute magnitude of 17.1,<ref name=jpldata/> the asteroid is about 1–2 km in diameter.<ref name="h"/>

(5645) 1990 SP sections
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