Asteroid General Data

2021 XU

General information

Preliminary designation	2021 XU
Group	Apollo
Absolute magnitude	25.29
Approximate diameter (m)	23
Approximate mass (kg)	2.30·10⁷
Number of observations	24
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	30.614851
a – orbit major semiaxis (astronomical units)	2.64996200
e – orbit eccentricity	0.68293200
ω – orbit ascending node-perihelion angle (degrees)	233.944661
Ω – longitude of orbit ascending node (degrees)	254.032350
i – orbit inclination to the ecliptic plane (degrees)	15.953086

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	184.304016	2.65831033	0.66757414	221.676924	266.024064	18.721327	0.88369110	4.334202
01/21/1858	76.914454	2.65379496	0.67389336	224.266619	263.475954	17.998130	0.86542016	4.323163
01/29/1887	328.710881	2.66079732	0.67206256	224.674730	263.046806	17.872531	0.87257505	4.340286
02/07/1916	220.365257	2.66396042	0.67372143	227.664895	260.201636	17.108249	0.86919319	4.348027
02/14/1945	106.507364	2.64985718	0.68122969	228.674635	259.189799	16.978764	0.84469579	4.313545
02/22/1974	347.643789	2.66591674	0.67696953	230.495363	257.409122	16.525099	0.86117234	4.352818
03/02/2003	236.214712	2.66331573	0.68030261	233.643611	254.355961	15.970615	0.85145507	4.346449
03/09/2032	126.786318	2.65334940	0.68442237	234.204173	253.780888	15.863062	0.83733772	4.322075
03/17/2061	25.110336	2.65629341	0.68353736	237.825012	250.126985	15.304862	0.84061763	4.329270
03/25/2090	284.349001	2.64871718	0.68830656	242.020464	245.960684	14.769019	0.82558776	4.310761
04/03/2119	179.762833	2.64750690	0.68993100	242.939491	244.966484	14.669565	0.82090981	4.307807
04/10/2148	76.270305	2.65784492	0.68729425	247.495223	240.432826	14.148664	0.83112338	4.333064
04/18/2177	334.172393	2.65637499	0.68909112	252.165138	235.755250	13.758684	0.82589056	4.329470

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