903 Nealley

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903 Nealley
Discovery
Discovered by Johann Palisa
Discovery site Vienna
Discovery date 13 September 1918
Designations
1918 EM
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 97.59 yr (35646 days)
Aphelion 3.3819 AU (505.93 Gm)
Perihelion 3.0934 AU (462.77 Gm)
3.2377 AU (484.35 Gm)
Eccentricity 0.044562
5.83 yr (2127.9 d)
229.469°
0° 10m 9.048s / day
Inclination 11.781°
159.404°
235.383°
Earth MOID 2.11158 AU (315.888 Gm)
Jupiter MOID 1.84491 AU (275.995 Gm)
Jupiter Tisserand parameter 3.150
Physical characteristics
Mean radius
31.715±1 km
21.60 h (0.900 d)
0.0528±0.004
10.0

903 Nealley is a minor planet orbiting the Sun. The semi-major axis of the orbit of 903 Nealley lies just inside the 2/1 Kirkwood gap, located at 3.27 AU.[2]

References[edit]

  1. ^ "903 Nealley (1918 EM)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016. 
  2. ^ Scholl, Hans; Froeschlé, Claude (September 1975), "Asteroidal motion at the 5/2, 7/3 and 2/1 resonances", Astronomy and Astrophysics 42 (3): 457–463, Bibcode:1975A&A....42..457S 

External links[edit]