Asteroid General Data

2015 XK₂₆₁

General information

Preliminary designation	2015 XK₂₆₁
Group	Apollo
Absolute magnitude	21.43
Approximate diameter (m)	140
Approximate mass (kg)	4.76·10⁹
Number of observations	61
Arc length (days)	3644

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	49.478496
a – orbit major semiaxis (astronomical units)	2.24874800
e – orbit eccentricity	0.58101700
ω – orbit ascending node-perihelion angle (degrees)	318.536969
Ω – longitude of orbit ascending node (degrees)	208.717589
i – orbit inclination to the ecliptic plane (degrees)	8.086098

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	248.053441	2.26279372	0.57282403	311.809748	214.698774	7.483980	0.96661110	3.403832
01/21/1858	84.879136	2.25536188	0.57754855	313.347388	213.397175	7.606023	0.95278091	3.387076
01/29/1887	285.057439	2.25647653	0.57984185	314.348280	212.567655	7.688146	0.94807700	3.389587
02/07/1916	128.483639	2.25353736	0.58082520	315.288724	211.708050	7.767432	0.94462606	3.382967
02/14/1945	338.555152	2.25121632	0.58028448	316.162215	210.867641	7.865436	0.94487043	3.377742
02/22/1974	195.797975	2.24898315	0.58225314	317.207442	209.880572	7.957900	0.93950564	3.372717
03/02/2003	56.405712	2.24619768	0.58262425	317.931168	209.252330	8.031218	0.93750845	3.366453
03/09/2032	274.354434	2.24844802	0.58060565	318.569717	208.692026	8.087811	0.94298638	3.371513
03/17/2061	123.573598	2.25683818	0.57411482	319.835958	207.725391	8.194397	0.96115393	3.390402
03/25/2090	319.921374	2.26383605	0.57195244	320.762355	207.050813	8.290028	0.96902950	3.406184
04/03/2119	144.544916	2.26565685	0.57266813	321.672497	206.289182	8.390729	0.96818737	3.410294
04/10/2148	322.033820	2.27015921	0.57281758	322.438732	205.689160	8.461367	0.96977210	3.420464
04/18/2177	135.527190	2.26793332	0.57333097	323.237095	204.983785	8.548849	0.96765690	3.415435

Detailed table...

3D animation...

Calculation on the date...

Return to search