(114319) 2002 XD58

compiled by Wm. Robert Johnston
last updated 30 December 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: 2.256997 AU
orbital period P: 3.3908 y (=1,238.5 d)
eccentricity e: 0.2740973
perihelion distance q: 1.6383602 AU
aphelion distance Q: 2.87563378 AU
inclination i: 6.83347°
argument of perihelion omega: 92.60699°
ascending node OMEGA: 242.64114°
mean anomaly M: 3.21172°
perihelion passage TP: 2005-08-06.9508195
Epoch: 18 AUG 2005
data arc: 1988-2005 (122 obs.)

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

other data, primary:
diameter: (~3 km?)
absolute magnitude H: 15.4 ± 0.2 [C328]
rotation period: 2.9649 h or 7.954 h [C328]
amplitude delta M: 0.14, 0.08 [C328]
color index B-V: ?
color index V-R: ?
color index R-I: ?
slope parameter G: (0.15) [a]
geometric albedo: ?
mass: ?
density: ?
type: ?

other data, secondary:
diameter: ?
diameter ratio Ds/Dp: ?
component magnitude difference: ?
rotation period: 2.9649 h or 7.954 h [C328]

--(114319) 2002 XD58--discovery and notes:

Primary discovered 11 December 2002 from Socorro by the LINEAR program, but linked to prediscovery observations from 1988. Alternate designation 1988 PJ4.

Companion discovered by D. Pray, P. Pravec, P. Kusnirak, S. Gajdos, J. Vilagi, A. Galad, S. Nudds, and Z. Krzeminski based on lightcurve observations from 25 August-3 October 2005; reported 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, 2008 by Wm. Robert Johnston.
Last modified 30 December 2008.
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