Asteroid General Data

2021 HJ₂

General information

Preliminary designation	2021 HJ₂
Group	Apollo
Absolute magnitude	23.39
Approximate diameter (m)	56
Approximate mass (kg)	3.18·10⁸
Number of observations	163
Arc length (days)	46

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	77.157727
a – orbit major semiaxis (astronomical units)	1.14220700
e – orbit eccentricity	0.24441300
ω – orbit ascending node-perihelion angle (degrees)	263.935339
Ω – longitude of orbit ascending node (degrees)	53.693830
i – orbit inclination to the ecliptic plane (degrees)	10.425145

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	343.665194	1.14095200	0.24337278	262.605452	55.086683	10.498659	0.86327535	1.218714
01/21/1858	278.303729	1.14096757	0.24338080	262.731579	54.930009	10.497675	0.86327798	1.218739
01/29/1887	227.546326	1.13978428	0.24324050	263.267554	54.690983	10.487513	0.86254258	1.216843
02/07/1916	171.846009	1.14023097	0.24367941	263.445677	54.470923	10.455225	0.86238016	1.217559
02/14/1945	106.966187	1.14084175	0.24391889	263.689279	54.251571	10.447327	0.86256890	1.218537
02/22/1974	41.010241	1.14164807	0.24423773	263.620035	54.065915	10.433006	0.86281454	1.219829
03/02/2003	326.372461	1.14141186	0.24422602	263.997376	53.839836	10.442273	0.86264938	1.219451
03/09/2032	251.247089	1.14258224	0.24447879	264.030121	53.660747	10.426172	0.86324511	1.221327
03/17/2061	179.195892	1.14127958	0.24408971	264.391480	53.450121	10.431962	0.86270498	1.219239
03/25/2090	106.796752	1.14046154	0.24389050	264.904534	53.196077	10.421126	0.86231381	1.217928
04/03/2119	42.957288	1.14147652	0.24415232	265.017404	53.019898	10.413649	0.86278239	1.219554
04/10/2148	333.764395	1.14088973	0.24398580	265.271131	52.811575	10.414791	0.86252883	1.218614
04/18/2177	265.940246	1.14058476	0.24390983	265.497482	52.624111	10.417044	0.86238493	1.218125

Detailed table...

3D animation...

Calculation on the date...

Return to search