2003 SS84
compiled by Wm. Robert Johnston
last updated 1 September 2005
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) [a]
| |
geometric albedo: |
(0.2-0.3?)
| |
mass: |
?
| |
density: |
?
| |
type: |
?
|
other data, secondary:
|
diameter: |
60 m [I8220]
| |
diameter ratio Ds/Dp: |
?
| |
component magnitude difference: |
?
| |
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
© 2002-2004, 2005 by Wm. Robert Johnston.
Last modified 1 September 2005.
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