Movatterモバイル変換
[0]ホーム
Asteroids with Satellites Database--Johnston's Archive
(6186) Zenonand two satellites
compiled by Wm. Robert Johnston
last updated15 September 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: | 2.3791444008 AU | | orbital periodP: | 3.669705418 yr
(= 1340.3852189 d) | | eccentricitye: | 0.184198265 | | perihelion distanceq: | 1.94091013 AU | | aphelion distanceQ: | 2.817378671 AU | | inclinationi: | 4.2103976° | | argument of perihelionω: | 86.43441° | | ascending nodeΩ: | 315.448074° | | mean anomalyM: | 29.554024° | | perihelion passageTP: | 2016 Oct 28.961729 | | Epoch: | 2017 Feb 16 | | data arc: | 1966-2016(1253 obs.) | | Earth MOID: | 0.955066 AU | | Jupiter Tisserand invariantTJ: | 3.513 |
orbital data, secondary: | semimajor axisas: | 9.1 km[*E] | | separation/primary radiusas/rp: | 3.1 [*E] | | separation/Hill radiusas/rH: | 0.010 [*E] | | orbital periodPs: | 0.5997d [W17a] | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
orbital data, secondary: | semimajor axisas: | ? | | separation/primary radiusas/rp: | ? | | separation/Hill radiusas/rH: | ? | | orbital periodPs: | ? | | eccentricityes: | ? | | normalized ang. mom.αL: | ? |
| other data, system (combined):| absolute mag.H: | 13.7[MPC] | | slope parameterG: | (0.15) [*A] | | effective diameterdE: | 6 km [*E] | | geometric albedo: | | | color indexU-B: | ? | | color indexB-V: | ? | | taxonomic type: | ? | | massm: | ? | | densityρ: | (1.6 g/cm3) [*A] | | Hill radiusrH: | 880 km [*E] |
other data, primary: | diameterdp: | 5.8 km [*E] | | rotation periodRPp: | 2.6832h [W17a] | | amplitude in mag., rotationalΔM: | 0.08 [W17a] | | pole directionΒ, λ: | ?,? |
other data, secondary: | diameterds: | 1.6km [*E] | | diameter ratiods/dp: | 0.28 [W17a] | | component mag. differenceΔM: | ? | | rotation periodRPs: | 3.2987h [W17a] | |
other data, tertiary: | diameterds: | ? | | diameter ratiods/dp: | ? | | component mag. differenceΔM: | ? | | rotation periodRPs: | ? | |
|
--(6186) Zenon --discovery and notes:
Primary discovered1988 Feb 11from La Sillaby E. W. Elst.Alternate designation(s):1988 CC2, 1966 BT, 1979 SN6, 1990 SX15.Linked to prediscovery observations from 1966 Jan 21.Permanent number assigned 1994 Dec 18.
Named 1995 Mar 17 for Zenon of Elea (494 BC-430 BC) [MPC24919].
Two companions discovered2017 Jan 01 by V. Benishek, P. Pravec, N. Gaftonyuk, M. Husarik, G. Cervak, and J. Oeyusinglightcurve observations from Sopot; Simeiz; Skalnate Pleso; Leura.Announced2017 Jan 14 [B17a].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©2017, 2019by Wm. Robert Johnston.
Last modified15 September 2019.Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.
[8]ページ先頭