2004 KH19
compiled by Wm. Robert Johnston
last updated 19 December 2011
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: |
40.6728859 AU
| |
orbital period P: |
259.40 y (=94,744.82 d)
| |
eccentricity e: |
0.1189766
| |
perihelion distance q: |
35.8337642 AU
| |
aphelion distance Q: |
45.5120076 AU
| |
inclination i: |
35.31509°
| |
argument of perihelion omega: |
224.53591°
| |
ascending node OMEGA: |
232.97386°
| |
mean anomaly M: |
132.37056°
| |
perihelion passage TP: |
1916-10-26.7
| |
Epoch: |
14 MAR 2012
| |
data arc: |
2004-2009 (20 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
(13,000 km separation) [S11b]
| |
semimajor axis/primary radius a/Rp: |
(150?)
| |
orbital period P: |
(200 d?)
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
(179 km?)
| |
absolute magnitude H: |
6.5 [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: |
(0.09) assumed
| |
mass: |
?
| |
density: |
?
| |
type: |
?
|
other data, secondary:
|
diameter: |
(129 km?)
| |
diameter ratio Ds/Dp: |
(0.72)
| |
component magnitude difference: |
0.71 [S11b]
| |
rotation period: |
?
|
|
--2004 KH19--discovery and notes:
Primary discovered 2004 from .
Secondary reported 12 December 2011.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
© 2011 by Wm. Robert Johnston.
Last modified 19 December 2011.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.