Asteroids with Satellites Database--Johnston's Archive

(3378) Susanvictoria

compiled by Wm. Robert Johnston
last updated 23 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: 2.3163694295 AU
orbital period P: 3.525427087 yr
(= 1287.686563 d)
eccentricity e: 0.09227026
perihelion distance q: 2.10263742 AU
aphelion distance Q: 2.5301014391 AU
inclination i: 8.0756409°
argument of perihelion ω: 91.692597°
ascending node Ω: 335.966076°
mean anomaly M: 318.853835°
perihelion passage TP: 2018 Jan 29.176012
Epoch: 2017 Sep 04
data arc: 1922-2017 (1620 obs.)
Earth MOID: 1.13515 AU
Jupiter Tisserand invariant TJ: 3.562

orbital data, secondary:
semimajor axis as: 11 km [*E]
separation/primary radius as/rp:3.4 [*D]
separation/Hill radius as/rH:0.010 [*D]
orbital period Ps: 0.7138 ± 0.0004 d [P17g]
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 13.5 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 6.64 ± 0.18 km [M**]
geometric albedo: 0.175 ± 0.024 [M**]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 1100 km [*E]

other data, primary:
diameter dp: 6.46 km [*D]
rotation period RPp: 2.5621 ± 0.0001 h [P17g]
amplitude in mag., rotational ΔM: 0.1 [P17g]
amplitude in mag., mutual events ΔM:0.095 ±0.035 [P17g]
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: >1.55 km [*D]
diameter ratio ds/dp: >0.24 [P17g]
component mag. difference ΔM: <3.1 [*D]
rotation period RPs: ?

-- (3378) Susanvictoria --discovery and notes:

Primary discovered 1922 Nov 25 from Williams Bay, Wisconsin, USA by G. Van Biesbroeck. Alternate designation(s): A922 WB, 1969 AK, 1978 TF1. Permanent number assigned 1986 Jan 26.

Named 1989 Apr 21 for Susan Titus and Victoria Van Biesbroeck Streeter [MPC014481].

Companion discovered 2017 Oct 17 by D. Pray, P. Pravec, V. Benishek, R. Montaigut, and A. Leroy using lightcurve observations from Sugarloaf Mountain Observatory, South Deerfield, Massachusetts, USA; Sopot Observatory, Serbia; OPERA Observatory, France. Announced 2017 Dec 08 [P17g].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2017, 2018 by Wm. Robert Johnston.
Last modified 23 September 2018.
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