21436 Chaoyichi

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21436 Chaoyichi
Discovery
Discovered by LINEAR
Discovery site Lincoln Lab ETS
Discovery date31 March 1998
Designations
(21436) Chaoyichi
1998 FL116
main-belt  · background
Orbital characteristics [1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 9565 days (26.19 yr)
Aphelion 2.3725454  AU (354.92774  Gm)
Perihelion 2.0008870 AU (299.32843 Gm)
2.186716 AU (327.1281 Gm)
Eccentricity 0.0849810
3.23 yr (1181.1 d)
226.1171°
0° 18m 17.281s / day
Inclination 3.736916°
320.37494°
178.30874°
Known satellites 1 [2]
Physical characteristics
1.953±0.256 km [1]
2.87 h [1] [3]
0.222±0.062 [1]
15.4 [1]

    21436 Chaoyichi (provisional designation 1998 FL116) is a background asteroid and binary system [2] from the inner region of the asteroid belt, approximately 2 kilometers in diameter. It was discovered on 31 March 1998, by astronomers of the Lincoln Near-Earth Asteroid Research at Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico, United States. [1]

    References

    1. 1 2 3 4 5 6 "21436 Chaoyichi (1998 FL116)". JPL Small-Body Database . NASA/Jet Propulsion Laboratory . Retrieved 12 April 2016.
    2. 1 2 Wm. Robert Johnston (31 December 2015). "Asteroids with Satellites". JohnstonArchive.net. Retrieved 15 January 2016.
    3. ↑ Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010). "Formation of asteroid pairs by rotational fission". Nature. 466 (7310): 1085–1088. arXiv: 1009.2770 . Bibcode:2010Natur.466.1085P. doi:10.1038/nature09315. PMID   20740010. (Lightcurve plots as supplemental data)


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