Discovered by A. Kopff Alternative names 1906 SY Aphelion 2.9282 AU (438.05 Gm) Discovered 15 January 1906 Orbits Sun Asteroid group Asteroid belt | Discovery date 15 January 1906 Observation arc 110.26 yr (40272 d) Perihelion 1.8224 AU (272.63 Gm) Absolute magnitude 8.71 Discoverer August Kopff | |
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Discovery site Heidelberg-Königstuhl State Observatory Similar 528 Rezia, 540 Rosamunde, 679 Pax, 625 Xenia, 509 Iolanda | ||
584 Semiramis is a minor planet orbiting the Sun within the main asteroid belt. Photometric observations at the Mark Evans Observatory during 2014 gave a rotation period of 5.0689 ± 0.0001 hours. This value is in close agreement with previous studies. The spectrum shows it to be a stony S(IV)-type asteroid.
References
584 Semiramis Wikipedia(Text) CC BY-SA