9134 Encke
Discovery[1] | |
---|---|
Discovered by | C. J. van Houten, I. van Houten-Groeneveld |
Discovery site | Leiden University |
Discovery date | 24 September 1960 |
Designations | |
MPC designation | 9134 |
Named after | Johann Franz Encke |
4822 P-L, 1992 AX2[1] | |
Orbital characteristics[1][2] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 0 | |
Observation arc | 20249 days (55.44 yr) |
Aphelion | 3.0025296 AU (449.17203 Gm) |
Perihelion | 2.8109109 AU (420.50629 Gm) |
2.9067202 AU (434.83915 Gm) | |
Eccentricity | 0.0329613 |
4.96 yr (1810.1 d) | |
99.747994° | |
0° 11m 55.981s / day | |
Inclination | 2.747694° |
135.75756° | |
181.70448° | |
Earth MOID | 1.79527 AU (268.569 Gm) |
Jupiter MOID | 2.08864 AU (312.456 Gm) |
Jupiter Tisserand parameter | 3.282 |
Physical characteristics | |
14.3[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.
References
- 1 2 3 4 5 "9134 Encke (4822 P-L)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
- ↑ AstDys-2 on (9134) Encke Retrieved 2011-09-12
External links
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