Asteroid General Data

2021 XK₄

General information

Preliminary designation	2021 XK₄
Group	Apollo
Absolute magnitude	26.37
Approximate diameter (m)	14
Approximate mass (kg)	5.17·10⁶
Number of observations	20
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	333.135204
a – orbit major semiaxis (astronomical units)	1.00783400
e – orbit eccentricity	0.30263100
ω – orbit ascending node-perihelion angle (degrees)	254.692323
Ω – longitude of orbit ascending node (degrees)	71.347355
i – orbit inclination to the ecliptic plane (degrees)	10.881936

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	61.558413	1.00644236	0.30310075	253.058246	73.142353	10.843559	0.70138893	1.009681
01/21/1858	333.564949	1.00620382	0.30338032	253.282661	72.973545	10.834370	0.70094138	1.009322
01/29/1887	242.830724	1.00662414	0.30332366	253.520557	72.767119	10.827462	0.70129123	1.009954
02/07/1916	150.861512	1.00600918	0.30305942	253.650225	72.394059	10.846309	0.70112862	1.009029
02/14/1945	55.578904	1.00680817	0.30295530	253.974582	72.121496	10.865927	0.70179030	1.010231
02/22/1974	318.339800	1.00669190	0.30300844	254.162004	71.933528	10.851895	0.70165575	1.010056
03/02/2003	221.258716	1.00624933	0.30275474	254.557839	71.687942	10.873885	0.70160257	1.009390
03/09/2032	121.060812	1.00800980	0.30260509	254.739478	71.328874	10.881522	0.70298091	1.012040
03/17/2061	8.632973	1.00759733	0.30266116	254.936757	71.159099	10.879954	0.70263675	1.011419
03/25/2090	256.756557	1.00750898	0.30262900	255.258945	70.950307	10.871969	0.70260755	1.011286
04/03/2119	148.699098	1.00751650	0.30232393	255.347542	70.577152	10.891535	0.70292015	1.011297
04/10/2148	47.423846	1.00655645	0.30218611	255.631667	70.401851	10.879324	0.70238907	1.009852
04/18/2177	308.179952	1.00719935	0.30224944	255.856147	70.252830	10.877605	0.70277391	1.010820

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