Asteroid General Data

2018 HR₃

General information

Preliminary designation	2018 HR₃
Group	Amor
Absolute magnitude	18.98
Approximate diameter (m)	420
Approximate mass (kg)	1.41·10¹¹
Number of observations	101
Arc length (days)	4650

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	2.814633
a – orbit major semiaxis (astronomical units)	2.69861700
e – orbit eccentricity	0.53440600
ω – orbit ascending node-perihelion angle (degrees)	71.076064
Ω – longitude of orbit ascending node (degrees)	43.744036
i – orbit inclination to the ecliptic plane (degrees)	18.896613

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	220.617597	2.70769846	0.52202761	64.946731	50.306463	19.547489	1.29420511	4.455547
01/21/1858	47.924483	2.71088321	0.52213352	65.952126	49.227787	19.418755	1.29544021	4.463410
01/29/1887	233.333397	2.70129856	0.52754881	66.456847	48.654923	19.366061	1.27623172	4.439760
02/07/1916	56.536820	2.70256904	0.52830456	67.543701	47.486045	19.239757	1.27478950	4.442893
02/14/1945	242.661661	2.71062425	0.52477239	68.052260	46.826373	19.167467	1.28816349	4.462771
02/22/1974	69.809593	2.70795424	0.52640351	69.141572	45.682681	19.061827	1.28247762	4.456179
03/02/2003	258.144547	2.70868016	0.52775505	70.381866	44.482289	18.940122	1.27916053	4.457971
03/09/2032	88.265316	2.69996688	0.53302998	71.121106	43.717522	18.872722	1.26080358	4.436477
03/17/2061	277.150842	2.69604088	0.53549775	72.180794	42.533576	18.783122	1.25231707	4.426804
03/25/2090	107.936830	2.70642268	0.53179918	72.679613	41.850093	18.708138	1.26714932	4.452399
04/03/2119	301.062558	2.70393829	0.53229864	73.789981	40.651256	18.635802	1.26463561	4.446269
04/10/2148	133.019362	2.70462994	0.53225595	75.136451	39.350431	18.543423	1.26507456	4.447976
04/18/2177	324.955921	2.70793664	0.53198500	76.273838	38.095087	18.457051	1.26735497	4.456135

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