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Asteroids with Satellites Database--Johnston's Archive
(24465) 2000 SX155
compiled by Wm. Robert Johnston
last updated23 April 2017--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, Hungaria
orbital data, primary (osculating elements)[JPL]: | semimajor axisa: | 1.9253595763 AU | | orbital periodP: | 2.671577481 yr
(= 975.8121043 d) | | eccentricitye: | 0.085087494 | | perihelion distanceq: | 1.76153555 AU | | aphelion distanceQ: | 2.0891835978 AU | | inclinationi: | 21.6483844° | | argument of perihelionω: | 1.338162° | | ascending nodeΩ: | 35.527775° | | mean anomalyM: | 40.328957° | | perihelion passageTP: | 2016 Oct 29.685741 | | Epoch: | 2017 Feb 16 | | data arc: | 1984-2017(733 obs.) | | Earth MOID: | 0.768949 AU | | Jupiter Tisserand invariantTJ: | 3.829 |
orbital data, secondary: | semimajor axisas: | 3.6 km[*E] | | separation/primary radiusas/rp: | 2.3 [*E] | | separation/Hill radiusas/rH: | 0.0084 [*E] | | orbital periodPs: | 0.3855± 0.00004d [S17a] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 15.1[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 3.18 km [*E] | | geometric albedo: | (0.16) [*A] | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 430 km [*E] |
other data, primary: | diameterdp: | 3.1 km [*E] | | rotation periodRPp: | 2.66087± 0.00005h [S17a] | | amplitude in mag., rotationalΔM: | 0.08± 0.02 [S17a] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 0.68km [*E] | | diameter ratiods/dp: | >0.22± 0.02 [S17a] | | component mag. differenceΔM: | <3.3± 0.2 [*D] | | rotation periodRPs: | ? | |
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--(24465) 2000 SX155 --discovery and notes:
Primary discovered2000 Sep 24from Socorro, New Mexico, USAby LINEAR Program.Alternate designation(s): 1984 UN5, 1992 WA5.Linked to prediscovery observations from 1984 Oct 30.Permanent number assigned 2001 Apr 08.
Companion discovered2016 Oct 12 by R. D. Stephens, B. D. Warnerusinglightcurve observations from Center for Solar System Studies, Landers, California, United States.Announced2017 Mar [S17a].
--Links, more technical:
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--Links to ADS abstracts:
©2017by Wm. Robert Johnston.
Last modified23 April 2017.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
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