Asteroids with Satellites Database--Johnston's Archive
(508869) 2002 VT130
compiled by Wm. Robert Johnston
last updated
4 February 2018
--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: |
42.623 AU
| |
orbital period P: |
278.271 yr
(= 101638.3 d)
| |
eccentricity e: |
0.02952
| |
perihelion distance q: |
41.364 AU
| |
aphelion distance Q: |
43.881 AU
| |
inclination i: |
1.161556°
| |
argument of perihelion ω: |
350.70°
| |
ascending node Ω: |
334.860°
| |
mean anomaly M: |
105.85°
| |
perihelion passage TP: |
1932 Jul 27
| |
Epoch: |
2014 May 23
| |
data arc: |
2002-2008
(33 obs.)
| |
Earth MOID: |
40.3516 AU
| |
Jupiter Tisserand invariant TJ: |
5.843
|
| Neptune Tisserand invariant TN: | 3.09 [*D] |
orbital data, secondary:
|
semimajor axis as: |
2490
± 80 km
(separation)
[G12b]
| |
separation/primary radius as/rp: | 20 [*E] | |
separation/Hill radius as/rH: | 0.0031 [*E] | |
orbital period Ps: |
9.8
d [*E]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
5.8
[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: |
?
| |
density ρ: |
(1
g/cm3) [*A]
| |
Hill radius rH: |
800000 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 31 January 2018.
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:
- Noll, K. S., Grundy, W. M., Benecchi, S. D., & Levison, H. A. 2009, International Astronomical Union Circular 1999 XY_143, 1999 RY_214, and 2002 VT_130
©
2009-2014, 2018
by Wm. Robert Johnston.
Last modified
4 February 2018.
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