description 140 Siwa Overview
140 Siwa is a main-belt asteroid discovered by Johann Palisa in 1874. It was named after Siwa, a figure associated with the mythology of the ancient Slavs, and is classified as a dark asteroid in the P-type group in the description provided here. The object also became known in spacecraft mission planning because it was considered as a possible flyby target for the European Space Agency's Rosetta mission before the mission trajectory was changed.
help 140 Siwa FAQ
What is 140 Siwa?
140 Siwa is a main-belt asteroid and a dark P-type object. It orbits the Sun in the region between Mars and Jupiter.
Who discovered 140 Siwa?
Johann Palisa discovered 140 Siwa in 1874. It was later given the name Siwa, associated with ancient Slavic mythology.
What does the P-type classification of 140 Siwa mean?
P-type describes a dark asteroid with a low-reflectivity surface. The classification places 140 Siwa among the darker bodies of the asteroid belt.
Why is the asteroid called Siwa?
The name refers to Siwa, a figure associated with the mythology of the ancient Slavs. The number 140 is its minor-planet designation.
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