903 Nealley

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

903 Nealley
Discovery
Discovered byJohann Palisa
Discovery siteVienna
Discovery date13 September 1918
Designations
(903) Nealley
1918 EM
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc97.59 yr (35646 days)
Aphelion3.3819 AU (505.93 Gm)
Perihelion3.0934 AU (462.77 Gm)
3.2377 AU (484.35 Gm)
Eccentricity0.044562
5.83 yr (2127.9 d)
229.469°
 10m 9.048s / day
Inclination11.781°
159.404°
235.383°
Earth MOID2.11158 AU (315.888 Gm)
Jupiter MOID1.84491 AU (275.995 Gm)
TJupiter3.150
Physical characteristics
Mean radius
31.715±1 km
21.60 h (0.900 d)
0.0528±0.004
10.0

    References

    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


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