Asteroids with Satellites Database--Johnston's Archive

(17260) Kusnirak

compiled by Wm. Robert Johnston
last updated 21 June 2016

--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: 2.204534248 AU
orbital period P: 3.273282415 yr
(= 1195.5664020 d)
eccentricity e: 0.183286451
perihelion distance q: 1.80047299 AU
aphelion distance Q: 2.608595506 AU
inclination i: 5.2836617°
argument of perihelion ω: 290.309107°
ascending node Ω: 199.898298°
mean anomaly M: 199.428704°
perihelion passage TP: 2015 Nov 07.26012
Epoch: 2014 May 23
data arc: 1949-2013 (1088 obs.)
Earth MOID: 0.823051 AU
Jupiter Tisserand invariant TJ: 3.635

orbital data, secondary:
binary dynamical type:A [P07f]
semimajor axis as: 7.4 km [*E]
separation/primary radius as/rp:3.2 [*E]
separation/Hill radius as/rH:0.011 [*E]
orbital period Ps: 0.6149 ± 0.00012 d [H06b]
eccentricity es: ?
normalized ang. mom. αL: 0.9 [P07f]

other data, system (combined):
absolute mag. H: 14.2 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 4.77 km [*E]
geometric albedo: (0.16 ) [*A]
color index U-B: ?
color index B-V: ?
taxonomic type: ?
mass m: ?
density ρ: (1.6 g/cm3) [*A]
Hill radius rH: 650 km [*E]

other data, primary:
diameter dp: 4.62 km [*E]
rotation period RPp: 3.1287 ± 0.0001 h [H06b]
amplitude in mag., rotational ΔM: 0.15 [H06b]
amplitude in mag., mutual events ΔM:0.10 ±0.03 [H06b]
pole direction Β, λ: ? , ?

other data, secondary:
diameter ds: 1.2 km [*E]
diameter ratio ds/dp: 0.26 ± 0.03 [H06b]
component mag. difference ΔM: 2.9 ± 0.3 [*D]
rotation period RPs: ?

-- (17260) Kusnirak --discovery and notes:

Primary discovered 2000 May 06 from Socorro, New Mexico, USA by LINEAR. Alternate designation(s): 2000 JQ58, 1970 CK, 1970 EU1, 1998 VQ12. Linked to prediscovery observations from 1949 Nov 19. Permanent number assigned 2000 Sep 13.

Companion discovered 2006 Jan 29 by D. Higgins, P. Pravec, P. Kusnirak, A. Galad, S. Gajdos, J. Vilagi, and L. Kornos using lightcurve observations from Canberra, Australia; Ondrejov Observatory, Czech Republic; Modra Observatory, Slovakia. Announced 2006 Mar 14 [H06b].

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2006-2014, 2016 by Wm. Robert Johnston.
Last modified 21 June 2016.
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