Asteroid General Data

2021 HE₃

General information

Preliminary designation	2021 HE₃
Group	Amor
Absolute magnitude	25.22
Approximate diameter (m)	24
Approximate mass (kg)	2.53·10⁷
Number of observations	22
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	128.384930
a – orbit major semiaxis (astronomical units)	1.16968800
e – orbit eccentricity	0.11068300
ω – orbit ascending node-perihelion angle (degrees)	321.967357
Ω – longitude of orbit ascending node (degrees)	211.560982
i – orbit inclination to the ecliptic plane (degrees)	15.548383

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	17.418973	1.16941383	0.11119882	320.013761	212.633694	15.520928	1.03937639	1.264599
01/21/1858	357.139120	1.16977582	0.11150161	320.260039	212.485721	15.522660	1.03934393	1.265187
01/29/1887	337.452935	1.16939036	0.11113161	320.509213	212.330405	15.529384	1.03943412	1.264561
02/07/1916	318.752178	1.16912122	0.11081452	320.790903	212.155771	15.533480	1.03956561	1.264125
02/14/1945	301.336814	1.16955465	0.11101707	321.036266	212.011123	15.536172	1.03971412	1.264828
02/22/1974	284.747172	1.16907322	0.11065495	321.145801	211.857508	15.539849	1.03970948	1.264047
03/02/2003	266.058562	1.16940080	0.11069867	321.624179	211.691287	15.544032	1.03994968	1.264578
03/09/2032	246.764049	1.16963355	0.11071849	321.945053	211.542221	15.549890	1.04013349	1.264956
03/17/2061	227.130749	1.16941624	0.11047754	322.115829	211.392759	15.553483	1.04022202	1.264603
03/25/2090	204.809612	1.16955020	0.11041045	322.524516	211.226919	15.558129	1.04041963	1.264821
04/03/2119	183.651215	1.16985718	0.11062104	322.774162	211.078181	15.562465	1.04044636	1.265319
04/10/2148	163.583808	1.16924480	0.10996716	322.999808	210.918678	15.567984	1.04066627	1.264325
04/18/2177	144.203524	1.16932070	0.10999300	323.398477	210.750496	15.572509	1.04070361	1.264448

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