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Asteroids with Satellites Database--Johnston's Archive
(9783) Tensho-kan
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: | 2.670299051 AU | | orbital periodP: | 4.363548949 yr
(= 1593.816355 d) | | eccentricitye: | 0.104091294 | | perihelion distanceq: | 2.39234417 AU | | aphelion distanceQ: | 2.948253935 AU | | inclinationi: | 1.9592575° | | argument of perihelionω: | 128.29429° | | ascending nodeΩ: | 278.88497° | | mean anomalyM: | 254.757457° | | perihelion passageTP: | 2016 Mar 18.93690 | | Epoch: | 2014 Dec 09 | | data arc: | 1976-2015(834 obs.) | | Earth MOID: | 1.40232 AU | | Jupiter Tisserand invariantTJ: | 3.373 |
orbital data, secondary: | semimajor axisas: | 13 km[*E] | | separation/primary radiusas/rp: | 5.0 [*E] | | separation/Hill radiusas/rH: | 0.013 [*E] | | orbital periodPs: | 1.232± 0.0004d [W17a] | | eccentricityes: | 0[P15f] | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 13.9[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 5.33± 0.28 km [M11b] | | geometric albedo: | 0.188± 0.049[M11b] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 970 km [*E] |
other data, primary: | diameterdp: | 5.16± 0.27 km [] | | rotation periodRPp: | 3.011± 0h [W17e] | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 1.34± 0.22km [*E] | | diameter ratiods/dp: | 0.26± 0.04 [W17a] | | component mag. differenceΔM: | 2.93± 0.34 [*D] | | rotation periodRPs: | ? | |
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--(9783) Tensho-kan --discovery and notes:
Primary discovered1994 Dec 28from Oizumi, Japanby T. Kobayashi.Alternate designation(s):1994 YD1, 1976 UU19, 1982 BP10, 1991 CC2, 1993 PZ5.Linked to prediscovery observations from 1976 Oct 24.Permanent number assigned 1998 Dec 08.
Named 2002 Sep 21 for a Japanese planetarium [MPC046681].
Companion discovered2013 Mar 09 by Pravec, P., P. Scheirich, P. Kusnirak, K. Hornoch, and A. Galadusinglightcurve observations.Announced2015 Aug 05 [P15f].
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©2015, 2019by Wm. Robert Johnston.
Last modified29 May 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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