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].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
©
2009-2018, 2019
by Wm. Robert Johnston.
Last modified
27 May 2019.
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