Asteroid General Data

2021 HU

General information

Preliminary designation	2021 HU
Group	Apollo
Absolute magnitude	25.25
Approximate diameter (m)	24
Approximate mass (kg)	2.43·10⁷
Number of observations	67
Arc length (days)	1469

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	235.564217
a – orbit major semiaxis (astronomical units)	1.58012200
e – orbit eccentricity	0.44551300
ω – orbit ascending node-perihelion angle (degrees)	225.284871
Ω – longitude of orbit ascending node (degrees)	44.798536
i – orbit inclination to the ecliptic plane (degrees)	6.940860

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	4.901782	1.57823771	0.44530235	222.831468	46.837033	6.971899	0.87544476	1.982710
01/21/1858	233.345200	1.57792398	0.44537294	223.151439	46.626803	6.958741	0.87515934	1.982119
01/29/1887	102.182689	1.57955924	0.44526637	223.606986	46.311108	6.943952	0.87623462	1.985201
02/07/1916	326.773125	1.57848557	0.44471716	223.945012	45.904144	6.967823	0.87650595	1.983177
02/14/1945	193.755380	1.57878530	0.44501036	224.295679	45.668809	6.952412	0.87620949	1.983742
02/22/1974	59.151482	1.57856505	0.44506011	224.608149	45.463055	6.940203	0.87600872	1.983327
03/02/2003	287.155648	1.57864574	0.44503528	224.958516	45.219264	6.924196	0.87609269	1.983479
03/09/2032	148.751968	1.57925108	0.44539466	225.338465	44.762639	6.939927	0.87586108	1.984620
03/17/2061	14.291523	1.57893116	0.44591609	225.669094	44.548181	6.925570	0.87486036	1.984017
03/25/2090	238.073387	1.57938560	0.44590377	226.014915	44.317000	6.912367	0.87513161	1.984874
04/03/2119	103.357712	1.57894493	0.44575415	226.340207	44.104361	6.900471	0.87512367	1.984043
04/10/2148	326.750938	1.58035463	0.44654586	226.836664	43.652892	6.885822	0.87465381	1.986701
04/18/2177	196.457678	1.57714812	0.44583372	227.255680	43.350423	6.908398	0.87400231	1.980657

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