Asteroid General Data

2015 XY₂₆₁

General information

Preliminary designation	2015 XY₂₆₁
Group	Apollo
Absolute magnitude	27.41
Approximate diameter (m)	9
Approximate mass (kg)	1.23·10⁶
Number of observations	41
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	293.639788
a – orbit major semiaxis (astronomical units)	1.49527800
e – orbit eccentricity	0.46486400
ω – orbit ascending node-perihelion angle (degrees)	62.005781
Ω – longitude of orbit ascending node (degrees)	86.886353
i – orbit inclination to the ecliptic plane (degrees)	1.589990

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	260.393735	1.52111533	0.47086022	57.468247	89.024552	1.146757	0.80488264	1.876047
01/21/1858	73.476422	1.51732907	0.46991081	58.209963	88.777481	1.158809	0.80431974	1.869047
01/29/1887	264.115991	1.51749010	0.46997482	58.343716	88.719389	1.161429	0.80430796	1.869345
02/07/1916	87.753885	1.51747330	0.47015492	59.151105	88.158020	1.170160	0.80402577	1.869314
02/14/1945	270.962617	1.51898382	0.47029828	59.171403	88.194100	1.170069	0.80460834	1.872106
02/22/1974	129.201016	1.50744303	0.46746916	59.889476	88.105334	1.199587	0.80275990	1.850811
03/02/2003	13.499635	1.50951102	0.46830322	59.984641	88.157171	1.211193	0.80260215	1.854620
03/09/2032	291.405706	1.49575818	0.46506729	61.969682	86.958891	1.591067	0.80012999	1.829333
03/17/2061	240.828115	1.49571167	0.46487915	63.089244	86.000796	1.611425	0.80038650	1.829247
03/25/2090	190.908694	1.49595438	0.46484713	63.230261	85.914076	1.610532	0.80056428	1.829693
04/03/2119	121.232525	1.49949858	0.46552337	63.152117	86.003547	1.611117	0.80144695	1.836199
04/10/2148	52.432525	1.49890224	0.46544270	63.305380	85.869621	1.610527	0.80124913	1.835104
04/18/2177	349.105221	1.49727246	0.46497028	63.738905	85.465576	1.617039	0.80108526	1.832111

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