Asteroid General Data

2011 OA

General information

Preliminary designation	2011 OA
Group	Amor
Absolute magnitude	21.15
Approximate diameter (m)	160
Approximate mass (kg)	7.01·10⁹
Number of observations	112
Arc length (days)	1108

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	277.328381
a – orbit major semiaxis (astronomical units)	2.15801100
e – orbit eccentricity	0.52134700
ω – orbit ascending node-perihelion angle (degrees)	28.291053
Ω – longitude of orbit ascending node (degrees)	280.820556
i – orbit inclination to the ecliptic plane (degrees)	9.150105

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	208.630743	2.16513716	0.51855665	23.939622	283.577465	9.451718	1.04239089	3.185875
01/21/1858	252.505481	2.16183531	0.51986764	24.297619	283.298503	9.439858	1.03796709	3.178590
01/29/1887	298.683019	2.16146351	0.51848441	25.043360	282.817933	9.375222	1.04077838	3.177770
02/07/1916	346.199950	2.16119257	0.51942374	25.888335	282.422627	9.322973	1.03861783	3.177173
02/14/1945	31.397475	2.16132393	0.52132232	26.525093	281.991690	9.277444	1.03457751	3.177462
02/22/1974	79.243790	2.16097987	0.51911813	27.056546	281.576843	9.226743	1.03917604	3.176704
03/02/2003	128.284104	2.16094847	0.52092547	27.703604	281.234862	9.190093	1.03525537	3.176634
03/09/2032	179.102126	2.15930000	0.52152764	28.303682	280.764284	9.148432	1.03316536	3.173000
03/17/2061	229.135663	2.15981423	0.52088930	29.105873	280.273081	9.083368	1.03479011	3.174134
03/25/2090	280.796966	2.15860008	0.52147492	29.989129	279.778032	9.013413	1.03294427	3.171457
04/03/2119	332.401843	2.16040578	0.52067743	30.333285	279.415783	8.984128	1.03553125	3.175438
04/10/2148	23.911750	2.16041831	0.52034177	31.275005	278.840832	8.911759	1.03626242	3.175465
04/18/2177	74.396347	2.15924804	0.52382113	31.872310	278.471591	8.878014	1.02818828	3.172886

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