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]
Discovery | |
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Discovered by | Johann Palisa |
Discovery site | Vienna |
Discovery date | 13 September 1918 |
Designations | |
MPC designation | (903) Nealley |
Alternative 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) |
Semi-major axis | 3.2377 AU (484.35 Gm) |
Eccentricity | 0.044562 |
Orbital period (sidereal) | 5.83 yr (2127.9 d) |
Mean anomaly | 229.469° |
Mean motion | 0° 10m 9.048s / day |
Inclination | 11.781° |
Longitude of ascending node | 159.404° |
Argument of perihelion | 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 |
Synodic rotation period | 21.60 h (0.900 d) |
Geometric albedo | 0.0528±0.004 |
Absolute magnitude (H) | 10.0 |
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