590 Tomyris

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590 Tomyris
590Tomyris (Lightcurve Inversion).png
A three-dimensional model of 590 Tomyris based on its light curve
Discovery
Discovered by Max Wolf
Discovery site Heidelberg
Discovery date4 March 1906
Designations
(590) Tomyris
Pronunciation /ˈtɒmɪrɪs/ [1]
1906 TO
Orbital characteristics [2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 110.12 yr (40221 d)
Aphelion 3.2395  AU (484.62  Gm)
Perihelion 2.7564 AU (412.35 Gm)
2.9979 AU (448.48 Gm)
Eccentricity 0.080570
5.19 yr (1896.0 d)
166.534°
0° 11m 23.532s / day
Inclination 11.174°
106.157°
339.791°
Physical characteristics
19.935±0.7 km
5.562  h (0.2318  d)
0.1218±0.009
9.90

    590 Tomyris is a minor planet orbiting the Sun. Its name derives from the Massagetean (ancient Eastern Iranian) ruler Tomyris, and may have been inspired by the asteroid's provisional designation 1906 TO.

    References

    1. Noah Webster (1884) A Practical Dictionary of the English Language
    2. "590 Tomyris (1906 TO)". JPL Small-Body Database . NASA/Jet Propulsion Laboratory. Archived from the original on 18 September 2020. Retrieved 5 May 2016.