(6265) 1985 TW3

compiled by Wm. Robert Johnston
last updated 20 September 2007

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: 2.1659895 AU
orbital period P: 3.19 y (=1,164.348 d)
eccentricity e: 0.1928808
perihelion distance q: 1.748212 AU
aphelion distance Q: 2.583767 AU
inclination i: 4.11452°
argument of perihelion omega: 281.26782°
ascending node OMEGA: 45.27028°
mean anomaly M: 10.49365°
perihelion passage TP: 2007-09-23.060
Epoch: 27 OCT 2007
data arc: 1979-2004 (430 obs.)

orbital data, secondary:
semimajor axis a: ?
semimajor axis/primary radius a/Rp: ?
orbital period P: ?
eccentricity e: ?

other data, primary:
diameter: (~6 km?)
absolute magnitude H: 13.5 [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: ?
mass: ?
density: ?
type: ?

other data, secondary:
diameter: ?
diameter ratio Ds/Dp: ?
component magnitude difference: ?
rotation period: ?

--(6265) 1985 TW3--discovery and notes:

Primary discovered 11 October 1985 by Fric and Gilbrech at Palomar Observatory, USA. Linked to precovery observations from 1979. Alternate designations 1953 RK1, 1969 TZ4, 1979 YG9, 1985 VQ1, 1987 GD1, 1990 CX.

Companion reported 2 August 2007 based on lightcurve observations.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2007 by Wm. Robert Johnston.
Last modified 20 September 2007.
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