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Asteroids with Satellites Database--Johnston's Archive

(82075) 2000 YW134

compiled by Wm. Robert Johnston
last updated20 September 2014

--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, 3:8 resonance

orbital data, primary (osculating elements)[JPL]:

semimajor axisa:	58.340 AU
orbital periodP:	445.612 yr (= 162759.9 d)
eccentricitye:	0.29405
perihelion distanceq:	41.1853 AU
aphelion distanceQ:	75.495 AU
inclinationi:	19.76854°
argument of perihelionω:	316.898°
ascending nodeΩ:	126.94097°
mean anomalyM:	28.282°
perihelion passageT_P:	1979 May 20
Epoch:	2014 May 23
data arc:	2000-2009(77 obs.)
Earth MOID:	40.2279 AU
Jupiter Tisserand invariantT_J:	6.113
Neptune Tisserand invariantT_N:	3.02 [*D]

orbital data, secondary:

semimajor axisa_s:	1900± 300 km (separation) [S06c]
separation/primary radiusa_s/r_p:	18 [*E]
separation/Hill radiusa_s/r_H:	0.0032 [*E]
orbital periodP_s:	10d [*E]
eccentricitye_s:	?
normalized ang. mom.α_L:	?

other data, system (combined):

absolute mag.H:	4.8[MPC] 4.88 ± 0.05 [M10d]
slope parameterG:	(0.15) [*A]
effective diameterd_E:	229 km [M13a]
geometric albedo:	0.408± 0.329/0.213[M13a]
color indexU-B:	0.31[J07a]
color indexB-V:	0.87[D05a]
color indexV-R:	0.39 ± 0.03 [D05a]
color indexB-R:	1.26 [D05a]
color indexV-I:	1.07 ± 0.03 [D05a]
color indexR-J:	1.29 [*D]
color indexV-J:	1.68 ± 0.12 [D07c]
color indexJ-H:	0.34 ± 0.1 [D07c]
color indexV-H:	2.02 [D07c]
taxonomic type:	BR? (G-mode) [B05b]
massm:	?
densityρ:	(1 g/cm³) [*A]
Hill radiusr_H:	600000 km [*E]

other data, primary:

diameterd_p:	216 km [*D]
rotation periodRP_p:	?
amplitude in mag., rotationalΔM:	<0.1 [T14a]
pole directionΒ, λ:	?,?

other data, secondary:

diameterd_s:	75km [*D]
diameter ratiod_s/d_p:	0.347 [G12b]
component mag. differenceΔM:	1.3 [S06c]
rotation periodRP_s:	?

--(82075) 2000 YW134 --discovery and notes:

Primary discovered2000 Dec 26from Kitt Peak Observatory, Arizona, USAby Spacewatch.Alternate designation(s): 2001 XG201.Permanent number assigned 2004 May 04.

Companion discovered2002 Oct 25usingHubble Space Telescope observations from Hubble Space Telescope.Announced2005 Oct 06.

--Links, more technical:

Detection of Six Transneptunian Binaries with NICMOS: A High Fraction of Binaries in the Cold Classical Disk.

--Links, less technical:

--Links to ADS abstracts:

Verbiscer, Anne J., Fisher, T. M., & French, R. G. 2010, Bulletin of the American Astronomical SocietyThe Strongest Opposition Surges: Products of Ejecta Exchange?
Bickel, W., Bickel Epoch, W., & Marsden, B. G. 2002, Minor Planet Electronic Circulars2000 YW134
Gleason, A. E., Montani, J. L., & Marsden, B. G. 2001, Minor Planet Electronic Circulars2000 YW134

©2005-2006, 2014by Wm. Robert Johnston.
Last modified20 September 2014.
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