Asteroids with Satellites Database--Johnston's Archive

(508869) 2002 VT130

compiled by Wm. Robert Johnston
last updated 27 May 2019

--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: 42.213 AU
orbital period P: 274.264 yr
(= 100177 d)
eccentricity e: 0.035609
perihelion distance q: 40.7099 AU
aphelion distance Q: 43.7162 AU
inclination i: 1.164261°
argument of perihelion ω: 337.6453°
ascending node Ω: 334.2871°
mean anomaly M: 125.6938°
perihelion passage TP: 1923 Jul 23.2
Epoch: 2019 Apr 27
data arc: 2002-2017 (76 obs.)
Earth MOID: 39.6949 AU
Jupiter Tisserand invariant TJ: 5.815
Neptune Tisserand invariant TN:3.080 [*D]


orbital data, secondary:
semimajor axis as: 3023 ± 93 km [G19b]
separation/primary radius as/rp:24 [*D]
separation/Hill radius as/rH:0.0038 [*D]
orbital period Ps: 30.7616 ± 0.0066 d [G19b]
eccentricity es: 0.0191 ± 0.0086 [G19b]
inclination is:52.6° ± 2.8° [G19b]
ascending node Ωs:115.4° ± 2.6° [G19b]
argument of pericenter ωs:149° ± 31° [G19b]
mean anomaly M:85.9° ± 1.3° [G19b]
Epoch:2011 Dec 04.5
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 5.7 [MPC]
5.95 ± 0.5 [B09b]
slope parameter G: (0.15) [*A]
effective diameter dE: 324 ± 57/68 km [M13a]
geometric albedo: 0.097 ± 0.098/0.049 [M13a]
color index U-B: ?
color index B-V: 1.45 [S09b]
color index V-R:0.56 ± 0.1 [S09b]
color index B-R:2 ± 0.2 [S09b]
color index V-I:1.19 ± 0.1 [S09b]
taxonomic type: ?
mass m: 2.32x1018 ± 2.15x1017 kg [G19b]
density ρ: (1 g/cm3) [*A]
Hill radius rH: 790000 km [*E]

other data, primary:
diameter dp: 251 km [*D]
rotation period RPp: ?
amplitude in mag., rotational ΔM: 0.21 [T14a]
pole direction Β, λ: ? , ?


other data, secondary:
diameter ds: 205 km [*D]
diameter ratio ds/dp: 0.817 [G12b]
component mag. difference ΔM: 0.44 [N09b]
rotation period RPs: ?

-- (508869) 2002 VT130 --discovery and notes:

Primary discovered 2002 Nov 07 from Kitt Peak Observatory, Arizona, USA by M. W. Buie. Permanent number assigned 2018 Jan 31.

Companion discovered 2008 Sep 21 by K. S. Noll, W. M. Grundy, S. D. Benecchi, and H. A. Levison using Hubble Space Telescope observations from Hubble Space Telescope. Announced 2009 Sep 24 [N09b].

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--Links to ADS abstracts:


© 2009-2018, 2019 by Wm. Robert Johnston.
Last modified 27 May 2019.
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