Asteroid General Data

2021 SX₄

General information

Preliminary designation	2021 SX₄
Group	Amor
Absolute magnitude	25.77
Approximate diameter (m)	19
Approximate mass (kg)	1.19·10⁷
Number of observations	39
Arc length (days)	30

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	182.125829
a – orbit major semiaxis (astronomical units)	2.21202300
e – orbit eccentricity	0.53122800
ω – orbit ascending node-perihelion angle (degrees)	176.271506
Ω – longitude of orbit ascending node (degrees)	191.262343
i – orbit inclination to the ecliptic plane (degrees)	3.109964

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	190.967047	2.21802446	0.53202710	171.957886	193.607203	2.905802	1.03797533	3.303316
01/21/1858	111.769729	2.21652569	0.53058834	172.633384	193.230999	2.935318	1.04046300	3.299968
01/29/1887	37.619213	2.21278486	0.53147354	173.394962	192.792030	2.977142	1.03674826	3.291618
02/07/1916	328.798908	2.21415926	0.53028183	173.874041	192.526961	2.997920	1.04003084	3.294685
02/14/1945	259.998098	2.21243110	0.53121744	174.611468	192.127075	3.035947	1.03714911	3.290828
02/22/1974	192.349979	2.21435057	0.52995541	175.068162	191.863049	3.055568	1.04084350	3.295112
03/02/2003	125.211936	2.21176259	0.52972775	175.728528	191.510621	3.085091	1.04013057	3.289337
03/09/2032	60.553914	2.21436844	0.52959910	176.306611	191.215209	3.108003	1.04164091	3.295152
03/17/2061	352.298151	2.21415085	0.52961870	176.863887	190.962149	3.132608	1.04149516	3.294666
03/25/2090	284.465832	2.21476744	0.52971754	177.464967	190.616287	3.162182	1.04156627	3.296043
04/03/2119	216.048371	2.21452059	0.52991632	178.051379	190.342973	3.185991	1.04101000	3.295491
04/10/2148	150.757660	2.21067079	0.53051908	178.639602	189.986877	3.217600	1.03786776	3.286902
04/18/2177	83.940708	2.21388058	0.53023163	179.287884	189.668131	3.235814	1.04001106	3.294063

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