(82075) 2000 YW134
compiled by Wm. Robert Johnston
last updated 4 March 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: |
58.1362043234481 AU
| |
orbital period P: |
443.2801 y (=161,910 d)
| |
eccentricity e: |
0.291125235390028
| |
perihelion distance q: |
41.2112881551015 AU
| |
aphelion distance Q: |
75.06112049 AU
| |
inclination i: |
19.7792027452739°
| |
argument of perihelion omega: |
317.022654113059°
| |
ascending node OMEGA: |
126.969774588251°
| |
mean anomaly M: |
20.8382887324995°
| |
perihelion passage TP: |
1979-06-04.0926254
| |
Epoch: |
30 JAN 2005
| |
data arc: |
2000-2004 (60 obs.)
| orbital data, secondary:
|
semimajor axis a: |
(1,900 km separation) [S05a]
| |
semimajor axis/primary radius a/Rp: |
(9?)
| |
orbital period P: |
(3 d?)
| |
eccentricity e: |
?
| |
inclination i: |
?
| |
other data, primary:
|
diameter: |
(431 km?)
| |
absolute magnitude H: |
4.76 [JPL]
| |
rotation period: |
?
| |
amplitude delta M: |
?
| |
color index B-V: |
0.87 ± 0.03 [D05a]
| |
color index V-R: |
0.39 ± 0.03 [D05a]
| |
color index V-I: |
1.07 ± 0.03 [D05a]
| |
slope parameter G: |
(0.15) [a]
| |
geometric albedo: |
(0.09) [a]
| |
mass (system): |
?
| |
density: |
?
| |
BBFB type: |
BR? [B05c]
|
other data, secondary:
|
diameter: |
(237 km?)
| |
diameter ratio Ds/Dp: |
(0.55)
| |
component magnitude difference: |
1.3 [S05a]
| |
rotation period: |
?
|
|
--(82075) 2000 YW134--discovery and notes:
Primary discovered 26 December 2000 by the Spacewatch program from Kitt Peak observatory. Alternate designation 2001 XG201.
Companion discovered by Denise C. Stephens and Keith S. Noll from Hubble Space Telescope observations of 25 October 2002; announced 5 October 2005.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Bickel, W., Bickel Epoch, W., & Marsden, B. G. 2002, Minor Planet Electronic Circulars 2000 YW134
- Gleason, A. E., Montani, J. L., & Marsden, B. G. 2001, Minor Planet Electronic Circulars 2000 YW134
© 2005, 2006 by Wm. Robert Johnston.
Last modified 4 March 2006.
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