2003 SS84
compiled by Wm. Robert Johnston
last updated 28 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: |
1.93022462961734 AU
| |
orbital period P: |
2.6818 y (=979.5 d)
| |
eccentricity e: |
0.571584073521201
| |
perihelion distance q: |
0.826938973009707 AU
| |
aphelion distance Q: |
3.03351029 AU
| |
inclination i: |
5.50731675313323°
| |
argument of perihelion omega: |
234.261196038026°
| |
ascending node OMEGA: |
198.649954783191°
| |
mean anomaly M: |
160.854610070171°
| |
perihelion passage TP: |
2003-11-19.3356045
| |
Epoch: |
30 JAN 2005
| |
data arc: |
2003-2004 (239 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
(<=0.3 km?)
| |
semimajor axis/primary radius a/Rp: |
(<5?)
| |
orbital period P: |
1 d or 0.5 d? [OOa]
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
120 m [I8220]
| |
absolute magnitude H: |
21.8 [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: |
(0.2-0.3?)
| |
mass: |
?
| |
density: |
?
| |
type: |
?
|
other data, secondary:
|
diameter: |
60 m [I8220]
| |
diameter ratio Ds/Dp: |
(0.5)
| |
component magnitude difference: |
(1.5)
| |
rotation period: |
?
|
|
--2003 SS84--discovery and notes:
Primary discovered 20 September 2003 by the LINEAR program at Lincoln Laboratory ETS, New Mexico.
Companion discovered from radar observations made 4-8 October 2003 by M.C. Nolan, A. A. Hine, E. S. Howell, L. A. M. Benner, and J. D. Giorgini from Arecibo, Puerto Rico.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Ries, J. G., Barker, E. S., Varadi, F., & Shelus, P. J. 2004, American
Astronomical Society Meeting Abstracts R-Band Photometry of Potentially
Hazardous Asteroids at McDonald Observatory
- Gajdos, S., Griesser, M., Lopez, A., Pacheco, R., Ticha, J., Tichy, M., Hormuth, F., Pravdo, S., MacDonald, D., Lawrence, K., Hicks, M., Blythe, M., Shelly, F., Bezpalko, M., Huber, R., Manguso, L., Torres, D., Kracke, R., McCleary, M., Stange, H., Stuart, J., Sayer, R., Evans, J., Kommers, J., Laurie, S. P., & Marsden, B. G. 2003, Minor Planet Circulars 2003 SS84
© 2002-2005, 2008 by Wm. Robert Johnston.
Last modified 28 November 2008.
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