(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:


© 2005, 2006 by Wm. Robert Johnston.
Last modified 4 March 2006.
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