Asteroid General Data

2015 XE₂₆₁

General information

Preliminary designation	2015 XE₂₆₁
Group	Apollo
Absolute magnitude	24.54
Approximate diameter (m)	33
Approximate mass (kg)	6.48·10⁷
Number of observations	17
Arc length (days)	28

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	36.630368
a – orbit major semiaxis (astronomical units)	1.63072600
e – orbit eccentricity	0.39388900
ω – orbit ascending node-perihelion angle (degrees)	55.747660
Ω – longitude of orbit ascending node (degrees)	76.816596
i – orbit inclination to the ecliptic plane (degrees)	7.922705

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	76.697809	1.63197956	0.39390146	52.864558	78.703772	8.020988	0.98914043	2.084840
01/21/1858	46.646794	1.63254616	0.39400087	53.291778	78.417846	8.009045	0.98932155	2.085926
01/29/1887	16.438016	1.63224431	0.39390492	53.648783	78.199990	7.999770	0.98929525	2.085347
02/07/1916	350.317867	1.63078810	0.39347660	54.229045	77.841212	7.972810	0.98911115	2.082557
02/14/1945	327.425665	1.62992931	0.39348962	54.601029	77.608750	7.960286	0.98856905	2.080912
02/22/1974	307.722193	1.62990871	0.39371286	55.022350	77.353533	7.949227	0.98819269	2.080873
03/02/2003	286.481278	1.63057165	0.39367767	55.390866	77.071123	7.939001	0.98865200	2.082142
03/09/2032	263.082647	1.63061364	0.39411484	55.791100	76.791894	7.921630	0.98796461	2.082223
03/17/2061	240.580685	1.63032169	0.39375349	56.261148	76.480925	7.903823	0.98837683	2.081664
03/25/2090	220.926501	1.62973506	0.39346803	56.596970	76.257047	7.895183	0.98848642	2.080540
04/03/2119	199.760338	1.63056421	0.39369664	57.123339	75.893870	7.879239	0.98861656	2.082128
04/10/2148	176.028336	1.63087594	0.39387908	57.536714	75.611627	7.862013	0.98850803	2.082725
04/18/2177	152.479735	1.63018411	0.39387912	58.025077	75.299816	7.843485	0.98808863	2.081400

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