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Asteroids with Satellites Database--Johnston's Archive
(524217) 2001 RZ143
compiled by Wm. Robert Johnston
last updated27 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:TNO, Cubewano
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 43.8875 AU | | orbital periodP: | 290.744 yr
(= 106196.4 d) | | eccentricitye: | 0.060069 | | perihelion distanceq: | 41.25124 AU | | aphelion distanceQ: | 46.5238 AU | | inclinationi: | 2.119811° | | argument of perihelionω: | 30.4813° | | ascending nodeΩ: | 8.2647° | | mean anomalyM: | 3.7774° | | perihelion passageTP: | 2016 Apr 07.7 | | Epoch: | 2019 Apr 27 | | data arc: | 2001-2018(118 obs.) | | Earth MOID: | 40.2588 AU | | Jupiter Tisserand invariantTJ: | 5.913 | | Neptune Tisserand invariantTN: | 3.095 [*D] |
orbital data, secondary: | semimajor axisas: | 1560± 30 km (separation) [G12b] | | separation/primary radiusas/rp: | 29 [*E] | | separation/Hill radiusas/rH: | 0.0045 [*E] | | orbital periodPs: | 17d [*E] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 6.6[MPC]
6.69 ± 0.13 [V12a] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 140± 39/33 km [V12a] | | geometric albedo: | 0.191± 0.066/0.045[V12a] | | color indexU-B: | ? | | color indexB-V: | 1.08[S09b] | | color indexV-R: | 0.51 ± 0.13 [S09b] | | color indexB-R: | 1.59 ± 0.12 [S09b] | | color indexV-I: | 1 ± 0.12 [S09b] | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1 g/cm3) [*A] | | Hill radiusrH: | 340000 km [*E] |
other data, primary: | diameterdp: | 108 km [*D] | | rotation periodRPp: | ? | | amplitude in mag., rotationalΔM: | ? | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 90km [*D] | | diameter ratiods/dp: | 0.832 [G12b] | | component mag. differenceΔM: | 0.1± 0.3 [N08c] | | rotation periodRPs: | ? | |
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--(524217) 2001 RZ143 --discovery and notes:
Primary discovered2001 Sep 12from Kitt Peak Observatory, Arizona, USAby M. W. Buie.Permanent number assigned 2019 May 18.
Companion discovered2005 Sep 04usingHubble Space Telescope observations from Hubble Space Telescope.Announced2007 Mar 14.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Noll, Keith S., Grundy, William M., Chiang, Eugene I., Margot, Jean-Luc, & Kern, Susan D. 2007, ArXiv Astrophysics e-printsBinaries in the Kuiper Belt
©2007-2014, 2019by Wm. Robert Johnston.
Last modified27 May 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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