Asteroids with Satellites Database--Johnston's Archive

(300163) 2006 VW139

compiled by Wm. Robert Johnston
last updated 9 October 2021

--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: main belt asteroid/comet


orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 3.050600317 AU
orbital period P: 5.328269327 yr
(= 1946.150372 d)
eccentricity e: 0.201470979
perihelion distance q: 2.43599289 AU
aphelion distance Q: 3.665207749 AU
inclination i: 3.2389393°
argument of perihelion ω: 280.454365°
ascending node Ω: 83.183311°
mean anomaly M: 314.726358°
perihelion passage TP: 2022 Mar 02.748100
Epoch: 2021 Jul 01
data arc: 2000-2021 (335 obs.)
Earth MOID: 1.43564 AU
Jupiter Tisserand invariant TJ: 3.203


orbital data, secondary:
semimajor axis as: 107.5 ± 1.5 km [A20b]
separation/primary radius as/rp:130 [*D]
separation/Hill radius as/rH:0.28 [*D]
orbital period Ps: 119 ± 0.5 d [A20b]
eccentricity es: 0.46 ± 0.05 [A20b]
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 16.18 [MPC]
17 ± 0.25 [A20b]
slope parameter G: 0.1 [A20b]
effective diameter dE: 2.07 ± 0.41 km [A20b]
geometric albedo: (0.07 ) [*A]
color index U-B: ?
color index B-V: 0.67 [A16b]
color index V-R:0.5 ± 0.03 [A16b]
color index B-R:1.17 ± 0.04 [A16b]
taxonomic type: ?
mass m: 6.95x1012 ± 2.8x1011 kg [A20b]
density ρ: 2 ± 1.2 g/cm3[A20b]
Hill radius rH: 380 km [*E]

other data, primary:
diameter dp: 1.69 ± 0.7 km [*D]
dimensions :>2.8 x <1.2km [A20b]
axial ratios a/b, b/c:2.3, ? [A20b]
volume :2.4± 1.4[A20b]
rotation period RPp: 3.2 h [K20a]
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: 1.2 ± 0.5 km [*D]
dimensions :>1.6 x <1.0km [A20b]
axial ratios a/b, b/c:1.6;? [A20b]
diameter ratio ds/dp: 0.78 ± 0.24 [*D]
component mag. difference ΔM: 0.55 ± 0.65 [A20b]
rotation period RPs: 3.6 h [K20a]

-- (300163) 2006 VW139 --discovery and notes:

Primary discovered 2006 Nov 15 from Kitt Peak Observatory, Arizona, USA by Spacewatch Program. Alternate designation(s): 288P. Linked to prediscovery observations from 2000 Sep 03. Permanent number assigned 2011 Oct 12.

Companion discovered 2011 Dec 07 by J. Agarwal, D. Jewitt, M. Mutchler, H. Weaver, and S. Larson using Hubble Space Telescope observations from Hubble Space Telescope. Announced 2017 Sep 21 [A17a].

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© 2017, 2021 by Wm. Robert Johnston.
Last modified 9 October 2021.
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