Discovery[1] and designation
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Discovered by | C. J. van Houten, I. van Houten-Groeneveld |
Discovery site | Leiden University |
Discovery date | September 24, 1960 |
Designations
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MPC designation | 9134 |
Named after | Johann Franz Encke |
Alternate name(s) | 4822 P-L, 1992 AX2[1] |
Epoch August 27, 2011 (JD 2455800.5) | |
Aphelion | 3.0037308 AU |
Perihelion | 2.8076260 AU |
Semi-major axis | 2.9056784 AU |
Eccentricity | 0.0337451 |
Orbital period | 4.95312762 yr (1809.12986 d) |
Mean anomaly | 139.66695° |
Inclination | 2.74769° |
Longitude of ascending node | 135.76956° |
Argument of perihelion | 183.64581° |
Absolute magnitude (H) | 14.2[1] |
9134 Encke (4822 P-L) is an asteroid-belt asteroid discovered on 24 September 1960 by Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld at Leiden University, on photographic plates from the Palomar Observatory.[1]
It is named for the astronomer Johann Franz Encke. It shares its name with the Comet Encke.
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