9134 Encke
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| Discovery[1] and designation | |
|---|---|
| Discovered by | C. J. van Houten, I. van Houten-Groeneveld |
| Discovery site | Leiden University |
| Discovery date | September 24, 1960 |
| Designations | |
| MPC designation | 9134 |
| Named after | Johann Franz Encke |
| Alternative names | 4822 P-L, 1992 AX2[1] |
| Orbital characteristics[1][2] | |
| 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° |
| Physical characteristics | |
| Absolute magnitude (H) | 14.2[1] |
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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.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 JPL Small-Body Database Browser on 9134 Encke Retrieved 2011-09-12
- ↑ AstDys-2 on (9134) Encke Retrieved 2011-09-12
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