Asteroid General Data

2015 XL₂₆₁

General information

Preliminary designation	2015 XL₂₆₁
Group	Apollo
Absolute magnitude	25.47
Approximate diameter (m)	21
Approximate mass (kg)	1.79·10⁷
Number of observations	52
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	157.336573
a – orbit major semiaxis (astronomical units)	1.56458100
e – orbit eccentricity	0.44610500
ω – orbit ascending node-perihelion angle (degrees)	192.885721
Ω – longitude of orbit ascending node (degrees)	306.340676
i – orbit inclination to the ecliptic plane (degrees)	1.500511

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	291.307095	1.56759735	0.44714608	184.776965	313.611012	1.517111	0.86665234	1.962693
01/21/1858	212.239162	1.56776766	0.44705521	185.504265	312.970214	1.511791	0.86688895	1.963013
01/29/1887	132.111373	1.56814938	0.44697189	185.903699	312.705544	1.505731	0.86723069	1.963730
02/07/1916	44.750718	1.57002117	0.44718808	187.201930	311.594013	1.492188	0.86792642	1.967247
02/14/1945	315.055238	1.56985004	0.44710532	187.570386	311.343529	1.487046	0.86796173	1.966925
02/22/1974	230.934876	1.56787973	0.44665816	190.114583	308.851833	1.507996	0.86757345	1.963223
03/02/2003	153.424467	1.56742472	0.44668362	190.596403	308.497350	1.502167	0.86728178	1.962369
03/09/2032	84.646933	1.56474839	0.44604701	192.925282	306.300346	1.500097	0.86679706	1.957345
03/17/2061	22.766683	1.56573933	0.44650517	193.477283	305.759904	1.495511	0.86662862	1.959205
03/25/2090	318.024561	1.56509981	0.44609426	193.890708	305.452217	1.490387	0.86691776	1.958004
04/03/2119	250.445894	1.56624680	0.44626372	194.533148	304.854098	1.486905	0.86728767	1.960157
04/10/2148	179.034463	1.56621793	0.44602259	194.984885	304.543663	1.480675	0.86764935	1.960103
04/18/2177	112.243896	1.56496810	0.44582711	195.884364	303.715917	1.473187	0.86726290	1.957757

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