(2044) Wirt
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: |
2.3818768 AU
| |
orbital period P: |
3.6761 y (=1,342.7 d)
| |
eccentricity e: |
0.3413483
| |
perihelion distance q: |
1.5688272 AU
| |
aphelion distance Q: |
3.19492640 AU
| |
inclination i: |
24.0118°
| |
argument of perihelion omega: |
50.05419°
| |
ascending node OMEGA: |
53.79447°
| |
mean anomaly M: |
7.03761°
| |
perihelion passage TP: |
2006-02-07.7517673
| |
Epoch: |
6 MAR 2006
| |
data arc: |
1950-2005 (287 obs.)
| orbital data, secondary:
|
semimajor axis a: |
(15 km?)
| |
semimajor axis/primary radius a/Rp: |
(4?)
| |
orbital period P: |
18.97 h [C353]
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
(8 km?)
| |
absolute magnitude H: |
13.3 [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: |
(2 km?)
| |
diameter ratio Ds/Dp: |
0.25 [C353]
| |
component magnitude difference: |
(3.0)
| |
rotation period: |
?
|
|
--(2044) Wirt--discovery and notes:
Primary discovered 8 November 1950 by C. A. Wirtanen from Mount Hamilton. Alternate designation 1950 VE.
Secondary announced 6 January 2006 by Ondrejov Observatory based on lightcurve observations.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
© 2006 by Wm. Robert Johnston.
Last modified 14 October 2006.
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