Asteroid General Data

2021 HS₁

General information

Preliminary designation	2021 HS₁
Group	Apollo
Absolute magnitude	26.21
Approximate diameter (m)	15
Approximate mass (kg)	6.46·10⁶
Number of observations	31
Arc length (days)	21

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	247.446545
a – orbit major semiaxis (astronomical units)	1.12215900
e – orbit eccentricity	0.11449100
ω – orbit ascending node-perihelion angle (degrees)	311.548336
Ω – longitude of orbit ascending node (degrees)	198.635466
i – orbit inclination to the ecliptic plane (degrees)	6.623195

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	138.635909	1.12194717	0.11835204	305.801890	201.990498	6.414414	0.98916243	1.188391
01/21/1858	281.574171	1.12163508	0.11737366	306.701184	201.371748	6.453855	0.98998466	1.187895
01/29/1887	69.666886	1.12307493	0.11749251	308.021575	200.890838	6.491132	0.99112204	1.190183
02/07/1916	210.220841	1.12252249	0.11630995	308.828406	200.367282	6.536409	0.99196195	1.189305
02/14/1945	356.696657	1.12227975	0.11646131	309.275007	199.972954	6.538342	0.99157758	1.188919
02/22/1974	167.577958	1.11995114	0.11418613	309.513259	199.539435	6.574526	0.99206825	1.185221
03/02/2003	322.701419	1.12287325	0.11579755	310.749711	199.095858	6.578432	0.99284727	1.189862
03/09/2032	106.217351	1.12199059	0.11432648	311.556087	198.595437	6.623408	0.99371736	1.188460
03/17/2061	250.217149	1.12277921	0.11491437	311.914069	198.327634	6.625400	0.99375575	1.189713
03/25/2090	36.728716	1.12325338	0.11417794	313.387375	197.696083	6.670675	0.99500263	1.190467
04/03/2119	166.773030	1.12441257	0.11488900	314.170661	197.311377	6.674806	0.99522994	1.192310
04/10/2148	286.050493	1.12450519	0.11475806	314.658180	196.924686	6.679426	0.99545916	1.192457
04/18/2177	47.491555	1.12389315	0.11454898	315.034830	196.574705	6.692488	0.99515234	1.191484

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