Asteroid General Data

2000 ST₂₀ (382459)

General information

Preliminary designation	2000 ST₂₀
Number	382459
Group	Amor
Absolute magnitude	19.49
Approximate diameter (m)	340
Approximate mass (kg)	6.95·10¹⁰
Number of observations	231
Arc length (days)	8396

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	13.776488
a – orbit major semiaxis (astronomical units)	1.87490900
e – orbit eccentricity	0.31017100
ω – orbit ascending node-perihelion angle (degrees)	72.662830
Ω – longitude of orbit ascending node (degrees)	343.274265
i – orbit inclination to the ecliptic plane (degrees)	16.839660

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	13.970806	1.87472348	0.31008861	70.246118	345.131335	16.920649	1.29339309	2.566885
01/21/1858	123.499575	1.87497697	0.30976977	70.581476	344.855772	16.909951	1.29416579	2.567406
01/29/1887	232.951532	1.87453908	0.31020640	70.946103	344.590537	16.895653	1.29304506	2.566506
02/07/1916	342.621101	1.87487222	0.31002104	71.267192	344.305653	16.885387	1.29362238	2.567191
02/14/1945	92.342872	1.87501483	0.30996516	71.656232	344.051767	16.873132	1.29382555	2.567484
02/22/1974	202.270726	1.87439346	0.31027089	72.042496	343.748382	16.860844	1.29282373	2.566207
03/02/2003	312.102969	1.87484725	0.31005511	72.359978	343.494615	16.849147	1.29354128	2.567139
03/09/2032	61.526069	1.87476454	0.31046699	72.796217	343.193515	16.834623	1.29271204	2.566969
03/17/2061	171.143208	1.87486293	0.31042499	73.069374	342.946415	16.823988	1.29285863	2.567172
03/25/2090	280.556933	1.87465508	0.31067735	73.507484	342.644458	16.809767	1.29224220	2.566745
04/03/2119	30.381334	1.87465190	0.31075175	73.759516	342.393183	16.802666	1.29210053	2.566738
04/10/2148	140.221460	1.87515176	0.31050498	74.124460	342.132956	16.789666	1.29290780	2.567765
04/18/2177	250.107760	1.87458579	0.31079519	74.509052	341.834409	16.782128	1.29197355	2.566602

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