9986 Hirokun

9986 Hirokun

Orbit of 9986 Hirokun (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter
Discovery
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°
 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
Surface temp. min mean max
Kelvin
Celsius
S-type asteroid[2]
12.4

    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

    External links

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