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590 Tomyris 
Summary
Tomyris (minor planet designation: 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.
 A three-dimensional model of 590 Tomyris based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 4 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 | |
Mean radius | 19.935±0.7 km |
| 5.562 h (0.2318 d) | |
| 0.1218±0.009 | |
| 9.90 | |
References edit
- ^ Noah Webster (1884) A Practical Dictionary of the English Language
- ^ "590 Tomyris (1906 TO)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Archived from the original on 18 September 2020. Retrieved 5 May 2016.
External links edit
- 590 Tomyris at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 590 Tomyris at the JPL Small-Body Database
