2003 QW111
compiled by Wm. Robert Johnston
last updated 26 November 2008
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: |
43.6585452 AU
| |
orbital period P: |
288.48 y (=105,366.4 d)
| |
eccentricity e: |
0.1114253
| |
perihelion distance q: |
38.7938787 AU
| |
aphelion distance Q: |
48.5232117 AU
| |
inclination i: |
2.66665°
| |
argument of perihelion omega: |
20.87883°
| |
ascending node OMEGA: |
68.50324°
| |
mean anomaly M: |
263.54657°
| |
perihelion passage TP: |
2084-01-06.4099
| |
Epoch: |
22 SEP 2006
| |
data arc: |
2003-2006 (13 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
(10,360 ± 160 km separation) [I8745]
| |
semimajor axis/primary radius a/Rp: |
(90?)
| |
orbital period P: |
(110 d?)
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
(226 km?)
| |
absolute magnitude H: |
6.2 [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: |
(113 km?)
| |
diameter ratio Ds/Dp: |
(0.50)
| |
component magnitude difference: |
1.5 [I8745]
| |
rotation period: |
?
|
|
--2003 QW111--discovery and notes:
Primary discovered 25 August 2003 by M. W. Buie from Cerro Tololo Observatory, La Serena.
Companion discovered by K. S. Noll, W. M. Grundy, D. C. Stephens, and H. F. Levison from Hubble Space Telescope observations on 25 July 2006, reported 7 September 2006.
See more information and links at Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Buie, M. W., Elliot, J. L., Kane, J. F., Teyssier, M. E., Wasserman, L. H., Trilling, D. E., Crudo, R. A., Millis, R. L., Kern, S. D., Gulbis, A. A. S., Jones, T. A., Leung, M., Vax, A. L., Clancy, K. B., & Marsden, B. G. 2005, Minor Planet Electronic Circulars 2000 QE226, 2003 QW111
- Buie, M. W., Wasserman, L. H., Millis, R. L., Kern, S. D., Lundgren, E. W., Gulbisdgren, A. A. S., Kane, J. F., Elliot, J., Gulbis, A., Clancy, K., & Marsden, B. G. 2003, Minor Planet Electronic Circulars 2003 QW111
© 2006, 2008 by Wm. Robert Johnston.
Last modified 26 November 20086.
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