(34706) 2001 OP83

compiled by Wm. Robert Johnston
last updated 25 November 2008

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: 2.2543434 AU
orbital period P: 3.3848 y (=1,236.3 d)
eccentricity e: 0.3810758
perihelion distance q: 1.3952677 AU
aphelion distance Q: 3.11341911 AU
inclination i: 8.6994°
argument of perihelion omega: 41.64775°
ascending node OMEGA: 66.71283°
mean anomaly M: 11.68223°
perihelion passage TP: 2006-01-24.8808441
Epoch: 6 MAR 2006
data arc: 1961-2005 (152 obs.)

orbital data, secondary:
semimajor axis a: (8 km?)
semimajor axis/primary radius a/Rp: (4?)
orbital period P: 20.76±0.01 h [W06a]
eccentricity e: ?

other data, primary:
diameter: (4 km?)
absolute magnitude H: 14.7 [JPL]
rotation period: 2.5944 ± 0.0001 h [W06a]
amplitude delta M: 0.13; 0.08-0.17 [W06a]
color index B-V: ?
color index V-R: ?
color index R-I: ?
slope parameter G: (0.15) assumed
geometric albedo: ?
mass: ?
density: ?
type: ?

other data, secondary:
diameter: (1 km?)
diameter ratio Ds/Dp: 0.28 [W06a]
component magnitude difference: (2.8)
rotation period: ?

--(34706) 2001 OP83--discovery and notes:

Primary discovered 27 July 2001 by the NEAT Program from Palomar Observatory, California, USA. Alternate designations 1998 XV98, 1988 VY11, 1961 XA1.

Secondary identified from lightcurve observations 11-29 December 2005 by Brian D. Warner, Donald P. Pray, Petr Pravec, Peter Kusnirak, Walter Cooney Jr., John Gross, and Dirk Terrell, announced 29 December 2005.

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

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2006-2007, 2008 by Wm. Robert Johnston.
Last modified 25 November 2008.
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