Asteroids with Satellites Database--Johnston's Archive
(123509)
2000 WK183
compiled by Wm. Robert Johnston
last updated
20 September 2014
--Orbital and physical data--
(See this page for definitions of quantities; source codes in brackets, see this 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 axis a: |
44.619 AU
|
orbital period P: |
298.044 yr (= 108860.7 d)
|
eccentricity e: |
0.04977
|
perihelion distance q: |
42.3979 AU
|
aphelion distance Q: |
46.839 AU
|
inclination i: |
1.96897°
|
argument of perihelion ω: |
290.10°
|
ascending node Ω: |
185.658°
|
mean anomaly M: |
329.26°
|
perihelion passage TP: |
2039 Nov 02
|
Epoch: |
2014 May 23
|
data arc: |
2000-2008
(50 obs.)
|
Earth MOID: |
41.4146 AU
|
Jupiter Tisserand invariant TJ: |
5.963
|
Neptune Tisserand invariant TN: | 3.11 [*D] |
orbital data, secondary:
semimajor axis as: |
2366
± 28 km
[G11a]
|
separation/primary radius as/rp: | 45 [*D] |
separation/Hill radius as/rH: | 0.0066 [*D] |
orbital period Ps: |
30.9170
± 0.0062
d [G11a]
|
eccentricity es: |
0.0084
± 0.008
[G11a]
|
inclination is: | 78.3° ± 6° [G11a] |
ascending node Ωs: | 267.7° ± 3.5° [G11a] |
argument of pericenter ωs: | 0° ± 75° [G11a] |
mean anomaly M: | 267.7° ± 3.5° [G11a] |
Epoch: | 2007 Jul 18.5 |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
absolute mag. H: |
6.6
[MPC]
|
slope parameter G: |
(0.15) [*A]
|
effective diameter dE: |
146
km [*D]
|
geometric albedo: |
0.18
± 0.08/0.08
[G11a]
|
color index U-B: |
?
|
color index B-V: |
?
|
taxonomic type: |
?
|
mass m: |
1.1x1018
± 3.9x1016
kg [G11a]
|
density ρ: |
(1
± 1/0.5
g/cm3) [*A]
|
Hill radius rH: |
360000 km [*D]
|
other data, primary:
diameter dp: |
106
± 24
km [G11a]
|
color index V-I: | 1.3 ± 0.05 [B08d] |
rotation period RPp: |
?
|
amplitude in mag., rotational ΔM: |
?
|
pole direction Β, λ: |
?
,
?
|
other data, secondary:
diameter ds: |
101
km [*D]
|
diameter ratio ds/dp: |
0.951
[G11a]
|
component mag. difference ΔM: |
0.4
[I8811]
|
color index V-I: | 1.24± 0.06 [B08d] |
rotation period RPs: |
?
|
|
|
--
(123509) 2000 WK183
--discovery and notes:
Primary discovered
2000 Nov 26
from
European Southern Observatory, La Silla, Chile
by
O. R. Hainaut, C. E. Delahodde, and A. C. Delsanti.
Permanent number assigned 2006 Mar 14.
Companion discovered
2005 Nov 24
by K. S. Noll, D. C. Stephens, W. M. Grundy, H. F. Levison, and S. D. Kern
using
Hubble Space Telescope
observations from Hubble Space Telescope.
Announced
2007 Feb 21 [N07e].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Grundy, W. M., Noll, K. S., Nimmo, F., Roe, H. G., Buie, M. W., Porter, S. B., Benecchi, S. D., Stephens, D. C., Levison, H. F., & Stansberry, J. A. 2011, Icarus Five new and three improved mutual orbits of transneptunian binaries
- Noll, K. S., Stephens, D. C., Grundy, W. M., Levison, H. F., & Kern, S. D. 2007, International Astronomical Union Circular (123509) 2000 WK_183
©
2007-2012, 2014
by Wm. Robert Johnston.
Last modified
20 September 2014.
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