10000 Myriostos

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10000 Myriostos
Orbit of 10000 Myriostos (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery and designation
Discovered by A.G. Wilson
Discovery date September 30, 1951
1951 SY, 1980 TS2[1]
main belt
Orbital characteristics[1][2]
Epoch August 27, 2011 (JD 2455800.5)
Aphelion 3.3725151 AU
Perihelion 1.8029673 AU
2.5877412 AU
Eccentricity 0.3032660
4.16 a (1520.476 d)
Inclination 20.61400°
Physical characteristics
Dimensions ~3 km

10000 Myriostos is a main-belt asteroid discovered by A. G. Wilson on September 30, 1951 at the Palomar Observatory on Palomar Mountain, California.

It was initially provisionally designated as 1951 SY and later named "(10000) Myriostos" (Greek for "ten thousandth") to honor all astronomers who helped discover ten thousand such bodies.[3] This occurred after some debate as to whether Pluto should have been reclassified as a minor planet and given the number 10000, with strong resistance coming from the American Astronomical Society's Division for Planetary Sciences.[4][5]


  1. ^ a b JPL Small-Body Database Browser
  2. ^ AstDys
  3. ^ MPC 34632 Minor Planet Center
  4. ^ Guy M Hurst (20 June 1999). "THE ASTRONOMER Electronic Circular No 1420". 
  5. ^ D. Tholen (December 1999). "Asteroid News Notes". The Minor Planet Bulletin, Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers 26: 34, 35. Bibcode:1999MPBu...26...33T. 

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