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Asteroids with Satellites Database--Johnston's Archive
(5481) Kiuchi
compiled by Wm. Robert Johnston
last updated29 May 2019--Orbital and physical data--
(Seethis page for definitions of quantities; source codes in brackets, seethis link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:main belt asteroid
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 2.339257265 AU | | orbital periodP: | 3.577875156 yr
(= 1306.818901 d) | | eccentricitye: | 0.063265229 | | perihelion distanceq: | 2.191263619 AU | | aphelion distanceQ: | 2.48725091 AU | | inclinationi: | 5.957471248° | | argument of perihelionω: | 250.4951681° | | ascending nodeΩ: | 326.1140064° | | mean anomalyM: | 224.0542347° | | perihelion passageTP: | 2015 Sep 28.4902 | | Epoch: | 2014 May 23 | | data arc: | 1970-2014(1074 obs.) | | Earth MOID: | 1.19345 AU | | Jupiter Tisserand invariantTJ: | 3.555 |
orbital data, secondary: | binary dynamical type: | A [L15a] | | semimajor axisas: | 14 km[*E] | | separation/primary radiusas/rp: | 4.1 [*E] | | separation/Hill radiusas/rH: | 0.012 [*E] | | orbital periodPs: | 0.8708± 0.0004d [K08b] | | eccentricityes: | <0.18[P16d] | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 13.2[MPC]
12.98 ± 0.1 [K08b] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 7.22 km [*E] | | geometric albedo: | (0.16) [*A] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 1200 km [*E] |
other data, primary: | diameterdp: | 6.86 km [*E] | | rotation periodRPp: | 3.6196± 0.0002h [K08b] | | amplitude in mag., rotationalΔM: | 0.1 [K08b] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 2.26km [*E] | | diameter ratiods/dp: | 0.33± 0.02 [K08b] | | component mag. differenceΔM: | 2.41± 0.13 [*D] | | rotation periodRPs: | ? | |
|
--(5481) Kiuchi --discovery and notes:
Primary discovered1990 Feb 15from Kitami, Hokkaido, Japanby K. Endate and K. Watanabe.Alternate designation(s):1990 CH, 1970 SR.Linked to prediscovery observations from 1970 Sep 27.Permanent number assigned 1993 Mar 08.
Named 1993 Sep 01 for Tsuruhiko Kiuchi (1954-) [MPC022510].
Companion discovered2008 Mar 13 by P. Kusnirak, P. Pravec, J. Oey, R. Stephens, M. Husarik, and J. Riesusinglightcurve observations from Ondrejov Observatory, Czech Republic; Leura, New South Wales, Australia; Goat Mountain Astronomical Research Station, Yucca Valley, California, USA; Skalnate Pleso Observatory; McDonald Observatory, Texas, USA.Announced2008 Apr 16 [K08b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Kusnirak, P., Pravec, P., Oey, J., Stephens, R., Husarik, M., & Ries, J. 2008, Central Bureau Electronic Telegrams(5481) Kiuchi
©2008-2014, 2019by Wm. Robert Johnston.
Last modified29 May 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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