2000 CO101

compiled by Wm. Robert Johnston
last updated 6 December 2009

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: 1.076215340 AU
orbital period P: 1.12 y (=407.799974 d)
eccentricity e: 0.09017710
perihelion distance q: 0.97916536 AU
aphelion distance Q: 1.173265322 AU
inclination i: 15.321564°
argument of perihelion omega: 64.83419°
ascending node OMEGA: 353.107115°
mean anomaly M: 39.36022°
perihelion passage TP: 2009-11-20.41362
Epoch: 04 JAN 2010
data arc: 2000-2009 (359 obs.)

orbital data, secondary:
semimajor axis a: (560 m separation) [C1957]
semimajor axis/primary radius a/Rp: (2)
orbital period P: (0.3 d?)
eccentricity e: ?

other data, primary:
diameter: 525 m [C1957]
absolute magnitude H: 18.951 ± 1.183 [JPL]
rotation period: ?
amplitude delta M: ?
color index B-V: ?
color index V-R: ?
color index R-I: ?
slope parameter G: (0.15) assumed
geometric albedo: (0.09) assumed
mass: ?
density: ?
type: Xk [JPL]

other data, secondary:
diameter: 45 m [C1957]
diameter ratio Ds/Dp: (0.08)
component magnitude difference: (5.5)
rotation period: ?

--2000 CO101--discovery and notes:

Primary discovered 8 February 2000 by the LINEAR program.

Companion discovered 26 September 2009 by P. A. Taylor, M. C. Nolan, E. S. Howell, C. Magri, L. A. M. Benner, M. Brozovic, J. D. Giorgini, M. W. Busch, M. K. Shepard, and J. L. Margot based on radar observations from Arecibo Observatory; announced 2 October 2009.

See more information and links at Asteroid/Comet Connection Catchall Catalog page

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2009 by Wm. Robert Johnston.
Last modified 6 December 2009.
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