(5407) 1992 AX

Asteroids with Satellites Database--Johnston's Archive

(5407) 1992 AX

compiled by Wm. Robert Johnston
last updated 29 May 2019

--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: Mars crossing asteroid
orbital data, primary (osculating elements) [JPL] :
semimajor axis a: 1.838397297 AU
orbital period P: 2.492684204 yr
(= 910.4529055 d)
eccentricity e: 0.277565693
perihelion distance q: 1.328121277 AU
aphelion distance Q: 2.348673318 AU
inclination i: 11.39014377°
argument of perihelion ω: 108.7052644°
ascending node Ω: 117.7667163°
mean anomaly M: 272.0887879°
perihelion passage T_P: 2014 Dec 31.33060
Epoch: 2014 May 23
data arc: 1951-2014 (1695 obs.)
Earth MOID: 0.37775 AU
Jupiter Tisserand invariant T_J: 3.95

orbital data, secondary:

binary dynamical type: A [P07f]
semimajor axis a_s: 5.6 km [*E]
separation/primary radius a_s/r_p: 3.0 [*E]
separation/Hill radius a_s/r_H: 0.014 [*E]
orbital period P_s: 0.5633 ± 0.00004 d [P06b]
eccentricity e_s: <0.05 [P02a]
normalized ang. mom. α_L: 1.03 [P07f]

other data, system (combined):

absolute mag. H: 13.9 [MPC]
14.47 ± 0.05 [P00a]
slope parameter G: (0.15) [*A]
effective diameter d_E: 3.8 ± 0.4 km [M16a]
geometric albedo: 0.18 [P06b]
color index U-B: ?
color index B-V: 0.69 [P00a]
color index V-R: 0.5 ± 0.02 [P00a]
color index B-R: 1.19 [P00a]
color index V-I: 0.84 [P00a]
taxonomic type: Sk (SMASSII) [JPL]
mass m: ?
density ρ: (1.6 g/cm³) [*A]
Hill radius r_H: 390 km [*E]
other data, primary:

diameter d_p: 3.73 ± 0.4 km [*D]
rotation period RP_p: 2.549 ± 0 h [P06b]
amplitude in mag., rotational ΔM: 0.12 [W14e]
pole direction Β, λ: ? , ?

other data, secondary:

diameter d_s: 0.75 ± 0.21 km [*D]
diameter ratio d_s/d_p: 0.2 ± 0.02 [P06b]
component mag. difference ΔM: 3.49 ± 0.22 [*D]
rotation period RP_s: ?

-- (5407) 1992 AX --discovery and notes:

Primary discovered 1992 Jan 04 from Kushiro, Hokkaido, Japan by S. Ueda and H. Kaneda. Alternate designation(s): 1987 BH2. Linked to prediscovery observations from 1951 Nov 28. Permanent number assigned 1992 Dec 09.

Companion discovered 1997 Jan 07 using lightcurve observations. Announced 1997.

--Links, more technical:

Cambridge-Conference Network 103/2000-11 October 2000: Tidal Disruption of Asteroids by Petr Pravec.

--Links, less technical:

--Links to ADS abstracts:

Sanchez, Juan A., Michelsen, René, Reddy, Vishnu, & Nathues, Andreas 2013, Icarus Surface composition and taxonomic classification of a group of near-Earth and Mars-crossing asteroids
Bus, S. & Binzel, R. P. 2004, NASA Planetary Data System 5407 1992AX CCD Spectrum
Pravec, Petr, Šarounová, Lenka, Rabinowitz, David L., Hicks, Michael D., Wolf, Marek, Krugly, Yurij N., Velichko, Fiodor P., Shevchenko, Vasilij G., Chiorny, Vasilij G., Gaftonyuk, Ninel M., & Genevier, Guy 2000, Icarus Two-Period Lightcurves of 1996 FG<SUB>3</SUB>, 1998 PG, and (5407) 1992 AX: One Probable and Two Possible Binary Asteroids
Skiff, B. A., Buie, M. W., & Bowell, E. 1996, Bulletin of the American Astronomical Society Near-Earth Asteroid Physical Observations: 1993-1995

© 2001-2014, 2019 by Wm. Robert Johnston.
Last modified 29 May 2019.
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