Asteroid General Data

2011 AW₅₅ (530151)

General information

Preliminary designation	2011 AW₅₅
Number	530151
Group	Apollo
Absolute magnitude	20.69
Approximate diameter (m)	190
Approximate mass (kg)	1.32·10¹⁰
Number of observations	129
Arc length (days)	8395

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	60.007667
a – orbit major semiaxis (astronomical units)	1.10539200
e – orbit eccentricity	0.51706300
ω – orbit ascending node-perihelion angle (degrees)	321.987185
Ω – longitude of orbit ascending node (degrees)	304.174346
i – orbit inclination to the ecliptic plane (degrees)	21.912582

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	13.120331	1.10514098	0.51820190	320.925812	305.174908	21.805713	0.53245483	1.161789
01/21/1858	5.477542	1.10514053	0.51803210	321.071712	305.031710	21.819536	0.53264227	1.161788
01/29/1887	358.261341	1.10505432	0.51777267	321.238838	304.881814	21.836496	0.53288739	1.161652
02/07/1916	351.261344	1.10517618	0.51755633	321.377120	304.745045	21.850163	0.53318526	1.161844
02/14/1945	343.915418	1.10516874	0.51737892	321.545215	304.590377	21.869298	0.53337773	1.161832
02/22/1974	335.503813	1.10521227	0.51731155	321.706215	304.446018	21.882522	0.53347319	1.161901
03/02/2003	326.124985	1.10530239	0.51715100	321.875203	304.292604	21.900055	0.53369416	1.162043
03/09/2032	316.125839	1.10545323	0.51709747	322.005770	304.152964	21.913572	0.53382615	1.162281
03/17/2061	305.063491	1.10543795	0.51697327	322.176585	303.998192	21.931499	0.53395608	1.162257
03/25/2090	293.529124	1.10543218	0.51676146	322.313733	303.859333	21.943346	0.53418743	1.162248
04/03/2119	282.447110	1.10549136	0.51659794	322.447958	303.719410	21.960043	0.53439681	1.162341
04/10/2148	271.582737	1.10537281	0.51630739	322.605690	303.576524	21.976945	0.53466066	1.162154
04/18/2177	261.499272	1.10532922	0.51609867	322.742211	303.440544	21.989582	0.53487028	1.162086

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