(9260) Edwardolson
compiled by Wm. Robert Johnston
last updated 14 October 2006
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: |
2.2899636 AU
| |
orbital period P: |
3.4654 y (=1,265.7 d)
| |
eccentricity e: |
0.2300735
| |
perihelion distance q: |
1.7631037 AU
| |
aphelion distance Q: |
2.81682354 AU
| |
inclination i: |
5.0988°
| |
argument of perihelion omega: |
148.44669°
| |
ascending node OMEGA: |
214.70747°
| |
mean anomaly M: |
353.92467°
| |
perihelion passage TP: |
2005-09-08.3603651
| |
Epoch: |
18 AUG 2005
| |
data arc: |
1953-2003 (245 obs.)
| orbital data, secondary:
|
semimajor axis a: |
(7 km?)
| |
semimajor axis/primary radius a/Rp: |
(3.5?)
| |
orbital period P: |
17.785 h [C270]
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
(4 km?)
| |
absolute magnitude H: |
14.7 [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: |
?
| |
mass: |
?
| |
density: |
?
| |
type: |
?
|
other data, secondary:
|
diameter: |
(1 km?)
| |
diameter ratio Ds/Dp: |
0.27 [C270]
| |
component magnitude difference: |
(2.8)
| |
rotation period: |
?
|
|
--(9260) Edwardolson--discovery and notes:
Primary discovered 8 October 1953 by Indiana University. Alternate designations 1953 TA1, 1991 QH
Companion discovered from lightcurve observations from Ondrejov Observatory; reported October 2005.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
© 2005, 2006 by Wm. Robert Johnston.
Last modified 14 October 2006.
Return to Home. Return to Astronomy and Space. Return to Asteroids with Satellites.