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.

590 Tomyris
A three-dimensional model of 590 Tomyris based on its light curve
Discovery
Discovered byMax Wolf
Discovery siteHeidelberg
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 arc110.12 yr (40221 d)
Aphelion3.2395 AU (484.62 Gm)
Perihelion2.7564 AU (412.35 Gm)
2.9979 AU (448.48 Gm)
Eccentricity0.080570
5.19 yr (1896.0 d)
166.534°
0° 11m 23.532s / day
Inclination11.174°
106.157°
339.791°
Physical characteristics
19.935±0.7 km
5.562 h (0.2318 d)
0.1218±0.009
9.90

References

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  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.
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