Asteroid General Data

2019 HF₄

General information

Preliminary designation	2019 HF₄
Group	Apollo
Absolute magnitude	27.51
Approximate diameter (m)	8
Approximate mass (kg)	1.07·10⁶
Number of observations	10
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	253.734449
a – orbit major semiaxis (astronomical units)	1.59740700
e – orbit eccentricity	0.38213800
ω – orbit ascending node-perihelion angle (degrees)	153.722643
Ω – longitude of orbit ascending node (degrees)	34.311564
i – orbit inclination to the ecliptic plane (degrees)	3.843509

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	349.108981	1.57740733	0.37550057	149.398081	36.534658	3.621994	0.98508998	1.981146
01/21/1858	221.905141	1.57791062	0.37570190	149.641117	36.378590	3.619701	0.98508660	1.982094
01/29/1887	93.511310	1.57750927	0.37572209	149.884226	36.249643	3.617196	0.98480419	1.981338
02/07/1916	326.174485	1.57780728	0.37631674	150.167636	36.090167	3.614702	0.98405199	1.981899
02/14/1945	198.471124	1.57628115	0.37497747	151.609035	35.013628	3.811798	0.98521124	1.979024
02/22/1974	76.812495	1.57658839	0.37505828	151.843294	34.866265	3.808588	0.98527585	1.979603
03/02/2003	315.575601	1.57614820	0.37524924	152.123152	34.703492	3.805858	0.98469978	1.978774
03/09/2032	149.694994	1.59777837	0.38224869	153.775732	34.264831	3.842034	0.98702969	2.019647
03/17/2061	281.524715	1.59785946	0.38220714	154.075841	34.133061	3.839715	0.98714616	2.019801
03/25/2090	53.947290	1.59795241	0.38214415	154.359030	34.004782	3.836621	0.98730425	2.019977
04/03/2119	185.941560	1.59654706	0.38196899	154.654983	33.820926	3.835690	0.98671559	2.017313
04/10/2148	40.375215	1.57711486	0.37489855	155.937002	32.225914	4.141441	0.98585678	1.980595
04/18/2177	274.080647	1.57735844	0.37531787	156.262094	32.082939	4.140291	0.98534763	1.981053

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