Asteroid General Data

2011 YB₄₀

General information

Preliminary designation	2011 YB₄₀
Group	Amor
Absolute magnitude	19.16
Approximate diameter (m)	390
Approximate mass (kg)	1.10·10¹¹
Number of observations	133
Arc length (days)	4429

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	231.110578
a – orbit major semiaxis (astronomical units)	2.55593800
e – orbit eccentricity	0.59301200
ω – orbit ascending node-perihelion angle (degrees)	315.167824
Ω – longitude of orbit ascending node (degrees)	93.298016
i – orbit inclination to the ecliptic plane (degrees)	32.724352

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	158.219564	2.55812369	0.60689780	312.245582	96.763743	31.435316	1.00560405	4.091503
01/21/1858	184.582173	2.56755404	0.59948811	312.309056	96.438953	31.484662	1.02833591	4.114149
01/29/1887	206.164988	2.56515804	0.60026411	312.394528	96.099942	31.559204	1.02538573	4.108391
02/07/1916	235.733104	2.55424025	0.60308446	313.426477	95.223030	31.992375	1.01381764	4.082190
02/14/1945	272.012798	2.55738169	0.59561489	314.306722	94.481601	32.317879	1.03416708	4.089723
02/22/1974	298.472130	2.56623165	0.58950654	314.265938	94.239339	32.322124	1.05342131	4.110971
03/02/2003	321.305820	2.56483795	0.59034814	314.427640	93.936673	32.403192	1.05069063	4.107622
03/09/2032	352.796203	2.55399091	0.59153593	315.709663	92.895374	32.940762	1.04321351	4.081592
03/17/2061	28.929745	2.55931386	0.58408205	316.355537	92.325776	33.164703	1.06446457	4.094359
03/25/2090	54.491457	2.56522115	0.57987742	316.264286	92.145079	33.150853	1.07770732	4.108543
04/03/2119	78.033394	2.56211594	0.58170739	316.434455	91.801302	33.274492	1.07171416	4.101085
04/10/2148	110.992482	2.55569478	0.58215403	317.439705	91.039376	33.659482	1.06788675	4.085678
04/18/2177	145.185460	2.56296462	0.57178777	318.152593	90.410216	33.928369	1.09749278	4.103123

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