Asteroid General Data

2012 HJ₃₁

General information

Preliminary designation	2012 HJ₃₁
Group	Apollo
Absolute magnitude	24.53
Approximate diameter (m)	33
Approximate mass (kg)	6.58·10⁷
Number of observations	25
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	315.165634
a – orbit major semiaxis (astronomical units)	2.40396100
e – orbit eccentricity	0.58860400
ω – orbit ascending node-perihelion angle (degrees)	312.493007
Ω – longitude of orbit ascending node (degrees)	223.087162
i – orbit inclination to the ecliptic plane (degrees)	5.673885

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	20.998894	2.40338246	0.59024501	292.613963	240.150237	4.792930	0.98479795	3.725932
01/21/1858	299.880919	2.41983242	0.58079724	294.687355	238.154860	4.848670	1.01440042	3.764251
01/29/1887	202.647842	2.40721375	0.58908438	299.907181	233.825549	5.036895	0.98916173	3.734845
02/07/1916	126.281854	2.40592730	0.58894819	300.217198	233.375147	5.048155	0.98896078	3.731852
02/14/1945	27.211846	2.41083016	0.58526319	305.785177	228.763905	5.295293	0.99986002	3.743265
02/22/1974	307.378699	2.40456884	0.59060141	306.546855	227.961308	5.341006	0.98442708	3.728691
03/02/2003	215.840035	2.42202379	0.57938744	309.497564	225.501094	5.485747	1.01873363	3.769365
03/09/2032	120.227386	2.40573892	0.58905601	312.662484	222.892953	5.689512	0.98862395	3.731413
03/17/2061	39.383533	2.41463142	0.58411728	313.017359	222.401354	5.711611	1.00420349	3.752121
03/25/2090	295.093226	2.41239178	0.58405534	317.621814	218.910329	6.025949	1.00342147	3.746902
04/03/2119	215.612206	2.40571954	0.58777869	318.052656	218.347230	6.074348	0.99168885	3.731368
04/10/2148	119.603298	2.42244982	0.57780030	320.827766	216.245631	6.280731	1.02275759	3.770360
04/18/2177	28.305264	2.40592049	0.58790348	322.859761	214.592130	6.477696	0.99147146	3.731836

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