2002 VF130
compiled by Wm. Robert Johnston
last updated 6 June 2009
Orbital elements and other data (Assumed or derived values in parenthesis, my estimates in italics and parenthesis. Source identifications in brackets, see this link for sources):
orbital data, primary (osculating elements) [JPL]:
|
semimajor axis a: |
45.7599567 AU
| |
orbital period P: |
309.55 y (=113,065 d)
| |
eccentricity e: |
0.1177881
| |
perihelion distance q: |
40.3699783 AU
| |
aphelion distance Q: |
51.1499351 AU
| |
inclination i: |
19.55778°
| |
argument of perihelion omega: |
111.27422°
| |
ascending node OMEGA: |
257.50353°
| |
mean anomaly M: |
53.27943°
| |
perihelion passage TP: |
1963-AUG-25.6
| |
Epoch: |
18 JUN 2009
| |
data arc: |
2002-2008 (18 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
(22,000 km separation) [I9040]
| |
semimajor axis/primary radius a/Rp: |
(~350?)
| |
orbital period P: |
(~700 d?)
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
(126 km?)
| |
absolute magnitude H: |
7.1 [JPL]
| |
rotation period: |
?
| |
amplitude delta M: |
?
| |
color index B-V: |
?
| |
color index V-R: |
?
| |
color index R-I: |
?
| |
slope parameter G: |
(0.15) assumed
| |
geometric albedo: |
(0.20) assumed
| |
mass: |
?
| |
density: |
?
| |
type: |
?
|
other data, secondary:
|
diameter: |
(110 km?)
| |
diameter ratio Ds/Dp: |
(0.87)
| |
component magnitude difference: |
0.31 [I9040]
| |
rotation period: |
?
|
|
--2002 VF130--discovery and notes:
Primary discovered 7 November 2002 by M. W. Buie from Kitt Peak Observatory.
Companion discovered by K. S. Noll, S. D. Benecchi, and W. M. Grundy from Hubble Space Telescope observations of 3 November 2008; reported 3 May 2009.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
© 2009 by Wm. Robert Johnston.
Last modified 6 June 2009.
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