Asteroid General Data

1998 HM₃ (326291)

General information

Preliminary designation	1998 HM₃
Number	326291
Group	Amor
Absolute magnitude	19.00
Approximate diameter (m)	420
Approximate mass (kg)	1.37·10¹¹
Number of observations	495
Arc length (days)	9172

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	18.874125
a – orbit major semiaxis (astronomical units)	1.24660300
e – orbit eccentricity	0.06219300
ω – orbit ascending node-perihelion angle (degrees)	137.051063
Ω – longitude of orbit ascending node (degrees)	210.798448
i – orbit inclination to the ecliptic plane (degrees)	39.329950

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	7.267286	1.24649166	0.06269880	136.543185	211.323568	39.319464	1.16833812	1.391665
01/21/1858	314.158539	1.24655306	0.06267839	136.624295	211.246234	39.321758	1.16842113	1.391768
01/29/1887	261.043155	1.24656553	0.06259119	136.727276	211.168015	39.323934	1.16854151	1.391789
02/07/1916	207.965632	1.24655607	0.06250646	136.745965	211.090724	39.325005	1.16863826	1.391773
02/14/1945	154.810975	1.24652737	0.06242200	136.802918	211.013563	39.325366	1.16871664	1.391725
02/22/1974	101.609555	1.24651664	0.06232345	136.911810	210.937742	39.326561	1.16882943	1.391707
03/02/2003	48.476933	1.24646446	0.06218062	136.934328	210.861168	39.328746	1.16895853	1.391619
03/09/2032	355.280265	1.24652270	0.06210374	137.040741	210.785446	39.330554	1.16910898	1.391717
03/17/2061	302.104663	1.24655002	0.06201043	137.139903	210.709457	39.332443	1.16925092	1.391763
03/25/2090	248.976665	1.24660803	0.06195209	137.210679	210.634477	39.336018	1.16937806	1.391860
04/03/2119	195.882420	1.24655711	0.06189556	137.307837	210.556381	39.338553	1.16940076	1.391775
04/10/2148	142.751469	1.24651600	0.06180757	137.396634	210.478433	39.340920	1.16947187	1.391706
04/18/2177	89.597841	1.24644712	0.06168159	137.430281	210.401208	39.343241	1.16956428	1.391590

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