Asteroids with Satellites Database--Johnston's Archive

2005 YQ96

compiled by Wm. Robert Johnston
last updated 31 December 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: NEA, Aten (PHA)

orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 0.743746462 AU
orbital period P: 0.641412426 yr
(= 234.2803133 d)
eccentricity e: 0.33325777
perihelion distance q: 0.49588717 AU
aphelion distance Q: 0.99160575 AU
inclination i: 22.21888°
argument of perihelion ω: 340.010111°
ascending node Ω: 282.710378°
mean anomaly M: 179.0421°
perihelion passage TP: 2014 Aug 14.483256
Epoch: 2014 Dec 09
data arc: 2005-2014 (64 obs.)
Earth MOID: 0.0190453 AU
Jupiter Tisserand invariant TJ: 7.656

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

other data, system (combined):
absolute mag. H: 20.4 [MPC]
slope parameter G: (0.15) [*A]
effective diameter dE: 0.27 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: 10 km [*E]

other data, primary:
diameter dp: 0.27 km [*E]
rotation period RPp: ?
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: ?

-- 2005 YQ96 --discovery and notes:

Primary discovered 2005 Dec 30 from Catalina Station, Arizona, USA by Catalina Sky Survey.

Companion discovered 2014 Dec using radar observations from Goldstone, California, USA; Arecibo Observatory, Puerto Rico. Announced 2014 Dec.

--Links, more technical:

--Links, less technical:

--Links to ADS abstracts:

© 2014 by Wm. Robert Johnston.
Last modified 31 December 2014.
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