(3868) Mendoza

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: 2.3334858 AU
orbital period P: 3.565 y (=1301.986 d)
eccentricity e: 0.0990103
perihelion distance q: 2.1024467 AU
aphelion distance Q: 2.5645249 AU
inclination i: 8.10269°
argument of perihelion omega: 185.99791°
ascending node OMEGA: 171.61552°
mean anomaly M: 244.34193°
perihelion passage TP: 2010-08-10.292
Epoch: 18 JUN 2009
data arc: 1953-2002 (333 obs.)

orbital data, secondary:
semimajor axis a: (20 km?)
semimajor axis/primary radius a/Rp: (5?)
orbital period P: 24.38 h [C1835]
eccentricity e: ?

other data, primary:
diameter: (8 km?)
absolute magnitude H: 13.0 [JPL]
absolute magnitude HR: 12.30±0.04 [C1835]
rotation period: 2.77103 ± 0.00003 h [O07b];
2.77090 ± 0.00005 h [C1835]
amplitude delta M: 0.07±0.05 to 0.20±0.05 [O07b];
0.10; 0.05 [C1835]
color index U-B: ?
color index B-V: ?
color index V-R: ?
color index R-I: ?
slope parameter G: 0.23±0.05 [C1835]
geometric albedo: ?
mass: ?
density: ?
type: ?

other data, secondary:
diameter: (2 km?)
diameter ratio Ds/Dp: 0.22±0.02 [C1835]
component magnitude difference: (3.3)
rotation period: ?

--(3868) Mendoza--discovery and notes:

Primary discovered 24 September 1960 by PLS at Palomar Observatory, California. Alternate designations 4575 P-L, 1935 SA1, 1952 HV3, 1953 TD2, 1977 KD1.

Secondary discovered by J. Oey, P. Pravec, P. Kusnirak, K. Hornoch, J. Brinsfield, V. Chiorny, D. Pray, W. Brookfield, and M. Pikler based on lightcurve observations from Leura, Ondrejov, Via Capote, Kharkiv, Carbuncle Hill, and Skalnate Pleso observatories from 25 April to 25 May; announced 6 June 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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