Asteroid General Data

2021 HG₁

General information

Preliminary designation	2021 HG₁
Group	Aten
Absolute magnitude	27.03
Approximate diameter (m)	10
Approximate mass (kg)	2.08·10⁶
Number of observations	56
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	277.096914
a – orbit major semiaxis (astronomical units)	0.92949700
e – orbit eccentricity	0.29968900
ω – orbit ascending node-perihelion angle (degrees)	128.272440
Ω – longitude of orbit ascending node (degrees)	209.670775
i – orbit inclination to the ecliptic plane (degrees)	10.529389

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	130.822660	0.92907840	0.29820859	126.430635	211.496927	10.604338	0.65201924	0.895528
01/21/1858	274.332305	0.92907865	0.29835899	126.705061	211.235953	10.604493	0.65187968	0.895528
01/29/1887	43.132446	0.93043444	0.29842797	126.801679	210.978423	10.589100	0.65276679	0.897489
02/07/1916	152.258276	0.93095440	0.29926046	127.087039	210.687618	10.540937	0.65235655	0.898242
02/14/1945	270.031941	0.93106057	0.29885734	127.272603	210.413034	10.561478	0.65280629	0.898395
02/22/1974	35.991456	0.92971626	0.29850358	127.517159	210.167754	10.579676	0.65219263	0.896450
03/02/2003	176.418475	0.92960615	0.29933009	127.952371	209.886196	10.557257	0.65134706	0.896291
03/09/2032	316.683151	0.92957877	0.29963155	128.297000	209.637226	10.530486	0.65104765	0.896252
03/17/2061	98.280346	0.92875161	0.29962562	128.538677	209.385010	10.530126	0.65047383	0.895056
03/25/2090	256.295401	0.92832060	0.29880984	128.317392	209.081194	10.488996	0.65092927	0.894433
04/03/2119	69.341888	0.92753000	0.29908011	128.633391	208.837270	10.482618	0.65012422	0.893290
04/10/2148	252.504848	0.92745385	0.29917661	128.782910	208.542500	10.455293	0.64998136	0.893180
04/18/2177	86.446755	0.92658023	0.29956938	129.148313	208.266059	10.429309	0.64900517	0.891918

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