Minorplanet: | yes |
Background: |
|
584 Semiramis | |
Mpc Name: | (584) Semiramis |
Pronounced: | [1] |
Alt Names: | 1906 SY |
Discovered: | 15 January 1906 |
Epoch: | 31 July 2016 (JD 2457600.5) |
Eccentricity: | 0.23276 |
Semimajor: | 2.3753AU |
Perihelion: | 1.8224AU |
Aphelion: | 2.9282abbr=onNaNabbr=on |
Period: | 3.66 yr (1337.1 d) |
Inclination: | 10.718° |
Asc Node: | 282.159° |
Arg Peri: | 85.121° |
Mean Radius: | km 25.89 ± 1.075 km |
Mean Motion: | / day |
Orbit Ref: | [2] |
Observation Arc: | 110.26 yr (40272 d) |
Uncertainty: | 0 |
Abs Magnitude: | 8.71 |
Rotation: | 5.068abbr=onNaNabbr=on |
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.