9986 Hirokun
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| Discovery | |||||||||||||
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| Discovered by | Y. Shimizu & T. Urata | ||||||||||||
| Discovery date | 12 July 1996 | ||||||||||||
| Designations | |||||||||||||
| 1996 NX, 1991 CM2, 1991 GM1 | |||||||||||||
| Orbital characteristics[1] | |||||||||||||
| Epoch 13 January 2016 (JD 2457400.5) | |||||||||||||
| Uncertainty parameter 0 | |||||||||||||
| Observation arc | 9167 days (25.10 yr) | ||||||||||||
| Aphelion | 2.7186778 AU (406.70841 Gm) | ||||||||||||
| Perihelion | 2.4278100 AU (363.19521 Gm) | ||||||||||||
| 2.5732439 AU (384.95181 Gm) | |||||||||||||
| Eccentricity | 0.0565177 | ||||||||||||
| 4.13 yr (1507.7 d) | |||||||||||||
| 315.62903° | |||||||||||||
| 0° 14m 19.578s / day | |||||||||||||
| Inclination | 13.99376° | ||||||||||||
| 271.22768° | |||||||||||||
| 315.55234° | |||||||||||||
| Earth MOID | 1.42976 AU (213.889 Gm) | ||||||||||||
| Jupiter MOID | 2.36712 AU (354.116 Gm) | ||||||||||||
| Jupiter Tisserand parameter | 3.385 | ||||||||||||
| Physical characteristics | |||||||||||||
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| S-type asteroid[2] | |||||||||||||
| 12.4 | |||||||||||||
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9986 Hirokun is an S-type main belt asteroid. It orbits the Sun once every 4.12 years.[1]
Discovered on July 12, 1996 by Y. Shimizu and T. Urata, it was given the provisional designation 1996 NX. It was later renamed 9986 Hirokun, after the fiancé of T. Urata's daughter.
References
- 1 2 "9986 Hirokun (1996 NX)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016.
- ↑ Gianluca Masi; Sergio Foglia & Richard P. Binzel. "Search for Unusual Spectroscopic Candidates Among 40313 minor planets from the 3rd Release of the Sloan Digital Sky Survey Moving Object Catalog".
External links
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