Asteroid General Data

2021 HE

General information

Preliminary designation	2021 HE
Group	Amor
Absolute magnitude	23.19
Approximate diameter (m)	61
Approximate mass (kg)	4.19·10⁸
Number of observations	75
Arc length (days)	144

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	294.544152
a – orbit major semiaxis (astronomical units)	1.51620400
e – orbit eccentricity	0.32687900
ω – orbit ascending node-perihelion angle (degrees)	49.166310
Ω – longitude of orbit ascending node (degrees)	212.853951
i – orbit inclination to the ecliptic plane (degrees)	17.836894

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	328.914875	1.51674495	0.32564744	47.252208	214.088466	17.906272	1.02282084	1.867968
01/21/1858	162.474554	1.51674812	0.32575115	47.511658	213.924209	17.898067	1.02266567	1.867974
01/29/1887	357.793735	1.51622239	0.32583831	47.796653	213.735345	17.886951	1.02217905	1.867003
02/07/1916	194.903100	1.51589889	0.32601997	48.080976	213.568252	17.878220	1.02168558	1.866405
02/14/1945	33.465543	1.51570795	0.32599070	48.401610	213.366973	17.865196	1.02160124	1.866053
02/22/1974	233.172477	1.51567556	0.32618049	48.644290	213.198526	17.856209	1.02129176	1.865993
03/02/2003	72.722762	1.51566529	0.32660911	48.953713	213.004968	17.844831	1.02063520	1.865974
03/09/2032	270.730344	1.51602769	0.32692547	49.188802	212.839049	17.834120	1.02039962	1.866643
03/17/2061	107.075864	1.51617023	0.32746934	49.432731	212.664731	17.823516	1.01967096	1.866906
03/25/2090	301.794179	1.51645623	0.32766785	49.701482	212.476154	17.812700	1.01956227	1.867435
04/03/2119	135.863614	1.51689847	0.32782121	49.947030	212.305840	17.803871	1.01962697	1.868252
04/10/2148	330.429407	1.51650258	0.32807458	50.224931	212.114823	17.794565	1.01897664	1.867520
04/18/2177	166.078858	1.51577996	0.32808610	50.539061	211.932534	17.787151	1.01847362	1.866186

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