Asteroid General Data

1998 SU₄

General information

Preliminary designation	1998 SU₄
Group	Apollo
Absolute magnitude	21.30
Approximate diameter (m)	150
Approximate mass (kg)	5.70·10⁹
Number of observations	98
Arc length (days)	9915

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	326.178175
a – orbit major semiaxis (astronomical units)	1.14793600
e – orbit eccentricity	0.58039400
ω – orbit ascending node-perihelion angle (degrees)	241.880670
Ω – longitude of orbit ascending node (degrees)	350.549272
i – orbit inclination to the ecliptic plane (degrees)	23.143849

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	150.996287	1.14730785	0.57945936	240.282023	352.078756	23.265453	0.48248958	1.228911
01/21/1858	4.722944	1.14851322	0.57971697	240.603620	351.817003	23.267470	0.48270062	1.230849
01/29/1887	204.396111	1.14976610	0.57992931	240.886117	351.578800	23.253968	0.48298303	1.232863
02/07/1916	36.117005	1.14977772	0.58001709	241.087306	351.386618	23.229685	0.48288700	1.232882
02/14/1945	231.551877	1.14948611	0.58003524	241.342601	351.156304	23.212710	0.48274365	1.232413
02/22/1974	70.567414	1.14903893	0.58010940	241.540560	350.954183	23.187561	0.48247064	1.231694
03/02/2003	276.031112	1.14835419	0.58027274	241.729415	350.721751	23.163638	0.48199556	1.230593
03/09/2032	128.987709	1.14773583	0.58050415	241.899347	350.524447	23.141445	0.48147042	1.229599
03/17/2061	346.614216	1.14761537	0.58067305	242.135182	350.290452	23.109591	0.48122605	1.229405
03/25/2090	204.694698	1.14732262	0.58080299	242.327238	350.095452	23.090116	0.48095421	1.228935
04/03/2119	69.196486	1.14683488	0.58102905	242.532933	349.887268	23.063496	0.48049050	1.228152
04/10/2148	299.070567	1.14637758	0.58106428	242.729994	349.669891	23.038059	0.48025851	1.227417
04/18/2177	168.976982	1.14726780	0.58135906	242.974871	349.455953	23.020458	0.48029327	1.228847

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