Asteroids with Satellites Database--Johnston's Archive
2003 SS84
compiled by Wm. Robert Johnston
last updated
20 September 2014
--Orbital and physical data--
(See this page for definitions of quantities; source codes in brackets, see this link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)
dynamical type, primary:
NEA, Apollo
(PHA)
orbital data, primary (osculating elements)
[JPL]
: |
semimajor axis a: |
1.930486345 AU
| |
orbital period P: |
2.68230589 yr
(= 979.712226 d)
| |
eccentricity e: |
0.570693888
| |
perihelion distance q: |
0.82876959 AU
| |
aphelion distance Q: |
3.032203103 AU
| |
inclination i: |
5.4956067°
| |
argument of perihelion ω: |
234.653776°
| |
ascending node Ω: |
198.358205°
| |
mean anomaly M: |
329.886635°
| |
perihelion passage TP: |
2014 Aug 12.9512
| |
Epoch: |
2014 May 23
| |
data arc: |
2003-2011
(247 obs.)
| |
Earth MOID: |
0.00548052 AU
| |
Jupiter Tisserand invariant TJ: |
3.691
|
orbital data, secondary:
|
semimajor axis as: |
0.27
km
[*E]
| |
separation/primary radius as/rp: | 4.5 [*E] | |
separation/Hill radius as/rH: | 0.034 [*E] | |
orbital period Ps: |
1
d [N03b]
| |
eccentricity es: |
?
| |
normalized ang. mom. αL: |
?
|
|
other data, system (combined):
|
absolute mag. H: |
21.8
[MPC]
| |
slope parameter G: |
(0.15) [*A]
| |
effective diameter dE: |
0.13
± 0.02
km [*D]
| |
geometric albedo: |
0.18
[*E]
| |
color index U-B: |
?
| |
color index B-V: |
?
| |
taxonomic type: |
?
| |
mass m: |
?
| |
density ρ: |
(1.6
g/cm3) [*A]
| |
Hill radius rH: |
8 km [*E]
|
other data, primary:
|
diameter dp: |
0.12
± 0.02
km [N03b]
| |
rotation period RPp: |
?
| |
amplitude in mag., rotational ΔM: |
?
| |
pole direction Β, λ: |
?
,
?
|
other data, secondary:
|
diameter ds: |
0.06
± 0.02
km [N03b]
| |
diameter ratio ds/dp: |
0.5
± 0.186
[*D]
| |
component mag. difference ΔM: |
1.5
[* D]
| |
rotation period RPs: |
?
| |
|
|
--
2003 SS84
--discovery and notes:
Primary discovered
2003 Sep 20
from
Lincoln Laboratory ETS, New Mexico, USA
by
LINEAR.
Companion discovered
2003 Oct 04
by M. C. Nolan, A. A. Hine, E. S. Howell, L. A. M. Benner, and J. D. Giorgini
using
radar
observations from Arecibo Observatory, Puerto Rico.
Announced
2003 Oct 10 [N03b].
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Ries, Judit G. & Varadi, F. 2007, Bulletin of the American Astronomical Society Multi-day Near-Earth Asteroid CCD Photometry Using the USNO B.10 Catalog
- Györgyey Ries, J., Varadi, F., Barker, E. S., & Shelus, P. J. 2006, New Horizons in Astronomy: Frank N. Bash Symposium Photometry of Near Earth Asteroids at McDonald Observatory
- Ries, J. G., Barker, E. S., Varadi, F., & Shelus, P. J. 2004, Bulletin of the American Astronomical Society R-Band Photometry of Potentially Hazardous Asteroids at McDonald Observatory
- Nolan, M. C., Hine, A. A., Howell, E. S., Benner, L. A. M., & Giorgini, J. D. 2003, International Astronomical Union Circular 2003 SS_84
- 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
©
2003-2008, 2014
by Wm. Robert Johnston.
Last modified
20 September 2014.
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