Asteroid General Data

2021 XS₄

General information

Preliminary designation	2021 XS₄
Group	Aten
Absolute magnitude	25.94
Approximate diameter (m)	17
Approximate mass (kg)	9.37·10⁶
Number of observations	24
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	198.325699
a – orbit major semiaxis (astronomical units)	0.99558500
e – orbit eccentricity	0.18951000
ω – orbit ascending node-perihelion angle (degrees)	289.339258
Ω – longitude of orbit ascending node (degrees)	257.799279
i – orbit inclination to the ecliptic plane (degrees)	14.624023

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	190.445687	0.99495677	0.18493995	289.063829	259.672479	14.793117	0.81094952	0.992446
01/21/1858	274.607651	0.99647607	0.18538938	289.557912	259.447085	14.761972	0.81173999	0.994720
01/29/1887	341.207855	0.99498837	0.18736856	289.006171	258.891998	14.703781	0.80855884	0.992493
02/07/1916	69.026047	0.99519283	0.18738975	289.231938	258.777628	14.704927	0.80870390	0.992799
02/14/1945	148.693453	0.99551341	0.18724116	289.375102	258.657804	14.705778	0.80911232	0.993279
02/22/1974	231.258431	0.99486833	0.18723968	289.519693	258.541582	14.709747	0.80858950	0.992314
03/02/2003	315.039619	0.99642846	0.18780068	289.935970	258.294971	14.674924	0.80929852	0.994649
03/09/2032	23.968752	0.99481833	0.18942496	289.524441	257.768418	14.625721	0.80637490	0.992239
03/17/2061	112.093691	0.99514927	0.18937394	289.767704	257.647929	14.627106	0.80669393	0.992734
03/25/2090	192.397038	0.99538737	0.18934249	289.870855	257.532684	14.627496	0.80691825	0.993090
04/03/2119	276.179465	0.99480796	0.18932516	290.069726	257.406329	14.632560	0.80646579	0.992223
04/10/2148	358.689287	0.99614687	0.19011010	290.308242	257.116445	14.593855	0.80676929	0.994227
04/18/2177	69.407932	0.99479566	0.19174970	290.100614	256.630379	14.546970	0.80404389	0.992205

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