Asteroid General Data

2011 BY₁₈

General information

Preliminary designation	2011 BY₁₈
Group	Apollo
Absolute magnitude	20.83
Approximate diameter (m)	180
Approximate mass (kg)	1.09·10¹⁰
Number of observations	101
Arc length (days)	4881

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	224.934414
a – orbit major semiaxis (astronomical units)	2.26316000
e – orbit eccentricity	0.78316100
ω – orbit ascending node-perihelion angle (degrees)	240.140267
Ω – longitude of orbit ascending node (degrees)	135.184417
i – orbit inclination to the ecliptic plane (degrees)	3.646840

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	103.594372	2.24218725	0.79613937	229.117974	144.982252	4.013344	0.45709370	3.357441
01/21/1858	328.662148	2.24479503	0.79508251	230.089551	144.111043	3.974172	0.45999776	3.363300
01/29/1887	185.660179	2.25391294	0.79197713	231.944742	142.550409	3.899848	0.46886544	3.383813
02/07/1916	34.192390	2.25515264	0.78904691	233.992144	140.668424	3.828659	0.47573143	3.386605
02/14/1945	236.525999	2.25716541	0.78802155	235.596583	139.221630	3.776145	0.47847042	3.391140
02/22/1974	71.374029	2.26071185	0.78636332	237.242180	137.771111	3.722675	0.48297098	3.399135
03/02/2003	259.901971	2.26141088	0.78445571	238.801278	136.357784	3.681796	0.48743420	3.400712
03/09/2032	82.059128	2.26937118	0.78007536	240.964719	134.434829	3.621757	0.49909063	3.418684
03/17/2061	262.205660	2.26871277	0.77969765	242.015040	133.501389	3.603146	0.49980275	3.417196
03/25/2090	85.610410	2.26128890	0.78331218	243.615187	132.086903	3.575114	0.48999376	3.400437
04/03/2119	274.972288	2.25988200	0.78488615	244.985767	130.830525	3.555883	0.48613192	3.397264
04/10/2148	109.923390	2.25775221	0.78652531	246.453928	129.530522	3.527629	0.48197295	3.392462
04/18/2177	311.929958	2.25387887	0.78717621	248.199940	127.941238	3.501473	0.47967905	3.383736

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