Movatterモバイル変換

[0]ホーム
URL:

Asteroids with Satellites Database--Johnston's Archive

(2242) Balaton

compiled by Wm. Robert Johnston
last updated23 January 2016

--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:2.2079974764 AU
orbital periodP:3.280936757 yr
(= 1198.3847834 d)
eccentricitye:0.117437977
perihelion distanceq:1.94869472 AU
aphelion distanceQ:2.467300233 AU
inclinationi:2.5377704°
argument of perihelionω:96.01215°
ascending nodeΩ:343.89881°
mean anomalyM:13.592257°
perihelion passageTP:2015 Nov 28.753461
Epoch:2016 Jan 13
data arc:1936-2015(1246 obs.)
Earth MOID:0.965658 AU
Jupiter Tisserand invariantTJ:3.649

orbital data, secondary:

semimajor axisas:9 km[*E]
separation/primary radiusas/rp:3.0 [*E]
separation/Hill radiusas/rH:0.010 [*E]
orbital periodPs:0.54± 0.0004d [M16a]
eccentricityes:?
normalized ang. mom.αL:?
other data, system (combined):
absolute mag.H:13.2[MPC]
slope parameterG:(0.15) [*A]
effective diameterdE:6.13± 0.11 km [M11b]
geometric albedo:0.142± 0.017[M11b]
color indexU-B:?
color indexB-V:?
taxonomic type:?
massm:?
densityρ:(1.6 g/cm3) [*A]
Hill radiusrH:910 km [*E]

other data, primary:

diameterdp:5.95 km [*D]
rotation periodRPp:2.79792± 0.00009h [M16a]
amplitude in mag., rotationalΔM:0.18 [M16a]
amplitude in mag., mutual eventsΔM:0.055 ±0.025 [M16a]
pole directionΒ, λ:?,?

other data, secondary:

diameterds:>1.49km [*D]
diameter ratiods/dp:>0.25 [M16a]
component mag. differenceΔM:<3.0 [*D]
rotation periodRPs:?

--(2242) Balaton --discovery and notes:

Primary discovered1936 Oct 13from Konkoly, Budapest, Hungaryby G. Kulin.Alternate designation(s):1936 TG, 1941 FQ, 1972 RE2, 1972 TT8, 1975 RZ, A918 FB.Permanent number assigned 1980 May 01.

Named 1993 Mar 06 for the lake in Hungary [MPC21605].

Companion discovered2015 Dec 27 by A. Marchini, F. Salvaggio, R. Papini, P. Pravec, D. Klinglesmith, D. Pray, P. Bacci, L. Franco, and A. Carbognaniusinglightcurve observations from Astronomical Observatory of the University of Siena; Etscorn Campus Observatory, Socorro, New Mexico, USA; Sugarloaf Mountain Observatory, South Deerfield, Massachusetts, USA; San Marcello Pistoiese Observatory, Italy.Announced2016 Jan 23.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

©2016by Wm. Robert Johnston.
Last modified23 January 2016
Return toHome. Return toAstronomy and Space. Return toAsteroids with Satellites.

[8]ページ先頭
©2009-2025 Movatter.jp