Asteroids with Satellites Database--Johnston's Archive

(3868) Mendoza

compiled by Wm. Robert Johnston
last updated 21 September 2014

--Orbital and physical data--

(See this page for definitions of quantities; source codes in brackets, see this link for full references; *A, *D, and *E indicate assumed, derived, and estimated values, respectively.)

dynamical type, primary: main belt asteroid

orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 2.333797095 AU
orbital period P: 3.565355541 yr
(= 1302.2461110 d)
eccentricity e: 0.098212416
perihelion distance q: 2.10458924 AU
aphelion distance Q: 2.563004946 AU
inclination i: 8.1028000°
argument of perihelion ω: 185.490560°
ascending node Ω: 171.594754°
mean anomaly M: 22.374915°
perihelion passage TP: 2014 Mar 03.06209
Epoch: 2014 May 23
data arc: 1953-2013 (1324 obs.)
Earth MOID: 1.0988 AU
Jupiter Tisserand invariant TJ: 3.549

orbital data, secondary:
semimajor axis as: 20 km [*E]
separation/primary radius as/rp:4.4 [*E]
separation/Hill radius as/rH:0.013 [*E]
orbital period Ps: 1.016 d [O09a]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 12.5 [MPC]
12.30 ± 0.04 [O09a]
slope parameter G: (0.15) [*A]
effective diameter dE: 9.35 ± 0.05 km [M11b]
geometric albedo: 0.162 ± 0.029 [M11b]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 1500 km [*E]

other data, primary:
diameter dp: 9.13 ± 0.05 km [*D]
rotation period RPp: 2.77090 ± 0.00005 h [O09a]
amplitude in mag., rotational ΔM: 0.10 [O09a]
amplitude in mag., mutual events ΔM:0.05 [O09a]
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: 2.01 ± 0.18 km [*D]
diameter ratio ds/dp: 0.22 ± 0.02 [O09a]
component mag. difference ΔM: 3.3 ± 0.2 [*D]
rotation period RPs: ?

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

Primary discovered 1960 Sep 24 from Palomar Observatory, California, USA by C. J. van Houten, I. van Houten-Groeneveld, and T. Gehrels. Alternate designation(s): 4575 P-L, 1935 SA1, 1952 HV3, 1953 TD2, 1977 KD1. Linked to prediscovery observations from 1953 Oct 09. Permanent number assigned 1988 Aug 27.

Named 1993 Sep 01 for Eugenio E. Mendoza V (1928-) [MPC22499].

Companion discovered 2009 Apr 25 by J. Oey, P. Pravec, P. Kusnirak, K. Hornoch, J. Brinsfield, V. Chiorny, D. Pray, M. Pikler, and M. Husarik using lightcurve observations from Leura Observatory, Leura, New South Wales, Australia; Ondrejov Observatory, Czech Republic; Via Capote Observatory, Thousand Oaks, California, USA; Kharkiv Observatory, Ukraine; Carbuncle Observatory, W. Brookfield, Massachusetts, USA; Skalnate Pleso Observatory. Announced 2009 Jun 06 [O09a].

--Links, more technical:

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--Links to ADS abstracts:

© 2009, 2014 by Wm. Robert Johnston.
Last modified 21 September 2014.
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