996 Hilaritas
996 Hilaritas is a Themistian asteroid. It was discovered in 1923 by Austrian astronomer Johann Palisa. Following Palisa's death in 1925, this asteroid was named for a "happy or contented mind"; qualities associated with the discoverer. Photometric observations of this asteroid collected during 2010 show a rotation period of 10.052 ± 0.001 hours with a brightness variation of 0.65 ± 0.03 magnitude. References

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000996
Discoveries by Johann Palisa
Named minor planets
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