(17246) 2000 GL74 and S/2004 (17246) 1
compiled by Wm. Robert Johnston
last updated 2 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: |
2.8391042 AU
| |
orbital period P: |
4.7839 y (=1747.3 d)
| |
eccentricity e: |
0.0205904
| |
perihelion distance q: |
2.7806459 AU
| |
aphelion distance Q: |
2.89756249 AU
| |
inclination i: |
2.4532°
| |
argument of perihelion omega: |
215.56658°
| |
ascending node OMEGA: |
34.58706°
| |
mean anomaly M: |
8.73466°
| |
perihelion passage TP: |
2005-07-06.6050703
| |
Epoch: |
18 AUG 2005
| |
data arc: |
1971-2002 (222 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
~230 km [M04d]
| |
semimajor axis/primary radius a/Rp: |
~100 [M04d]
| |
orbital period P: |
~90 d [M04d]
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
4.5 km [M04d]
| |
absolute magnitude H: |
14.0 [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: |
(0.21) [a] [I8293]
| |
mass: |
?
| |
density: |
?
| |
type: |
S [M04d]
|
other data, secondary:
|
diameter: |
2 km [M04d]
| |
diameter ratio Ds/Dp: |
(0.4)
| |
component magnitude difference: |
(1.8)
| |
rotation period: |
?
|
|
--(17246) 2000 GL74--discovery and notes:
Discovered 5 April 2000 by the LINEAR Program, Socorro, New Mexico. Additional designation 1973 VM.
Secondary discovered by T. M. Tamblyn et ali in Hubble Space Telescope images from 14 January 2004, reported 24 February 2004.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Merline, W. J., Tamblyn, P. M., Nesvorny, D., Durda, D. D., Chapman, C. R., Dumas, C., Storrs, A. D., Feldman, B., Owen, W. M., Close, L. M., & Menard, F. 2004, AAS/Division for Planetary Sciences Meeting Abstracts Discovery
of binaries among small asteroids in the Koronis dynamical family using the
HST Advanced Camera for Surveys
- Tamblyn, P. M., Merline, W. J., Chapman, C. R., Nesvorny, D., Durda, D. D., Dumas, C., Storrs, A. D., Close, L. M., & Menard, F. 2004, International Astronomical Union Circular S/2004 (17246) 1
© 2004, 2005 by Wm. Robert Johnston.
Last modified 2 September 2005.
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