Asteroids with Satellites Database--Johnston's Archive

(7792) 1995 WZ3

compiled by Wm. Robert Johnston
last updated 26 June 2021

--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: 2.2976089592 AU
orbital period P: 3.4826848288 yr
(= 1272.0746584 d)
eccentricity e: 0.148236099
perihelion distance q: 1.95702037 AU
aphelion distance Q: 2.6381975482 AU
inclination i: 7.1953555°
argument of perihelion ω: 142.809541°
ascending node Ω: 61.474128°
mean anomaly M: 314.889501°
perihelion passage TP: 2021 May 25.399787
Epoch: 2020 Dec 17
data arc: 1976-2021 (2496 obs.)
Earth MOID: 0.956763 AU
Jupiter Tisserand invariant TJ: 3.569

orbital data, secondary:
semimajor axis as: ?
orbital period Ps: ?
eccentricity es: ?
normalized ang. mom. αL: ?

other data, system (combined):
absolute mag. H: 13.07 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 7.45 ± 0.05 km [M**]
geometric albedo: 0.0242 ± 0.045 [M**]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 0 km [*E]

other data, primary:
diameter dp: 7.45 ± 0.05 km [M**]
rotation period RPp: 3.16001 h [JPL]
amplitude in mag., rotational ΔM: ?
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: ?
diameter ratio ds/dp: ?
component mag. difference ΔM: ?
rotation period RPs: ?

-- (7792) 1995 WZ3 --discovery and notes:

Primary discovered 1995 Nov 18 from Nachi-Katsurra by Y. Shimizu and T. Urata. Alternate designation(s): 1976 KF1, 1977 SO2, 1991 VL14. Linked to prediscovery observations from 1976 May 29. Permanent number assigned 1997 Nov 14.

Companion discovered 2021 by Pray, D., P. Pravec, V. Benishek, M. Deldem, A. Marchini, R. Papini, and R. Durkee using lightcurve observations from Sugarloaf Mountain, Sopot Observatory, Les Barres, Siena, and Shed of Science South. Announced 2021 Jun 20 [P21e].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2021 by Wm. Robert Johnston.
Last modified 26 June 2021
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