| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery site | Vienna |
| Discovery date | 13 September 1918 |
| Designations | |
| (903) Nealley | |
| 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) |
| TJupiter | 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 Hecuba gap, located at 3.27 AU. [2]
References
- ^ "903 Nealley (1918 EM)". JPL Small-Body Database. NASA/ Jet Propulsion Laboratory. Retrieved 2 May 2016.
- ^ 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
- Lightcurve plot of 903 Nealley, Palmer Divide Observatory, B. D. Warner (2011)
- Asteroid Lightcurve Database (LCDB), query form ( info Archived 16 December 2017 at the Wayback Machine)
- Dictionary of Minor Planet Names, Google books
- Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
- Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
- 903 Nealley at AstDyS-2, Asteroids—Dynamic Site
- 903 Nealley at the JPL Small-Body Database
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