Asteroid General Data

2005 ST₄

General information

Preliminary designation	2005 ST₄
Group	Amor
Absolute magnitude	22.36
Approximate diameter (m)	90
Approximate mass (kg)	1.32·10⁹
Number of observations	47
Arc length (days)	89

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	273.054436
a – orbit major semiaxis (astronomical units)	2.36158600
e – orbit eccentricity	0.55434000
ω – orbit ascending node-perihelion angle (degrees)	231.375775
Ω – longitude of orbit ascending node (degrees)	168.873710
i – orbit inclination to the ecliptic plane (degrees)	4.992552

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	73.316360	2.35724883	0.55923614	224.327630	173.933230	5.199052	1.03899008	3.619168
01/21/1858	73.575368	2.35945030	0.55645417	225.667353	173.036381	5.153422	1.04652435	3.624239
01/29/1887	79.965867	2.35764238	0.55732832	225.885677	172.760945	5.152014	1.04366152	3.620074
02/07/1916	84.129183	2.35560697	0.55845165	227.137022	171.945218	5.118091	1.04011438	3.615388
02/14/1945	87.888851	2.36082446	0.55499606	228.487345	171.032444	5.076054	1.05057619	3.627406
02/22/1974	92.925329	2.36177573	0.55484551	229.172395	170.391623	5.057771	1.05135506	3.629599
03/02/2003	94.424493	2.35703401	0.55891319	230.265145	169.741495	5.032160	1.03965661	3.618673
03/09/2032	95.992547	2.35761503	0.55745768	231.831249	168.651127	4.984566	1.04334441	3.620011
03/17/2061	101.003533	2.35945966	0.55662034	232.256496	168.165689	4.972511	1.04613642	3.624261
03/25/2090	104.737708	2.35538705	0.55888458	233.522327	167.356775	4.941743	1.03899754	3.614881
04/03/2119	108.432957	2.35733207	0.55714253	235.036207	166.307851	4.903937	1.04396212	3.619360
04/10/2148	116.022254	2.36110176	0.55669789	235.432286	165.886471	4.895943	1.04668139	3.628045
04/18/2177	117.663084	2.35931449	0.55867763	236.779257	164.897015	4.866387	1.04121827	3.623926

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