2005 EO304
compiled by Wm. Robert Johnston
last updated 4 March 2007
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: |
45.1966527 AU
| |
orbital period P: |
303.8559 y (=110985 d)
| |
eccentricity e: |
0.0769398
| |
perihelion distance q: |
41.7192313 AU
| |
aphelion distance Q: |
48.67407412 AU
| |
inclination i: |
3.41417°
| |
argument of perihelion omega: |
27.33689°
| |
ascending node OMEGA: |
93.96788°
| |
mean anomaly M: |
61.05344°
| |
perihelion passage TP: |
1953-10-08.0141997
| |
Epoch: |
20 APR 2005
| |
data arc: |
88 days (10 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
>86800 km? [K06a]
| |
semimajor axis/primary radius a/Rp: |
(830)
| |
orbital period P: |
<7,400 d? [K06a]
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
(208 km?)
| |
absolute magnitude H: |
6.3 [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: |
(120 km?)
| |
diameter ratio Ds/Dp: |
(0.58) [K06a]
| |
component magnitude difference: |
1.2±0.1 [I8526]
| |
rotation period: |
?
|
|
--2005 EO304--discovery and notes:
Primary discovered 11 March 2005 by M. W. Buie from Kitt Peak Observatory.
Companion discovered by S. D. Kern and J. L. Elliot on 15 April 2005 from observations at Clay Telescope; reported 10 May 2005.
See more information and links at Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
© 2005-2006, 2007 by Wm. Robert Johnston.
Last modified 4 March 2007.
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