Asteroid General Data

2012 HG₃₁ (878384)

General information

Preliminary designation	2012 HG₃₁
Number	878384
Group	Amor
Absolute magnitude	18.93
Approximate diameter (m)	430
Approximate mass (kg)	1.51·10¹¹
Number of observations	543
Arc length (days)	5002

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	141.388692
a – orbit major semiaxis (astronomical units)	2.17512500
e – orbit eccentricity	0.53191100
ω – orbit ascending node-perihelion angle (degrees)	173.258769
Ω – longitude of orbit ascending node (degrees)	148.220047
i – orbit inclination to the ecliptic plane (degrees)	10.250209

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	225.866281	2.17314127	0.53242195	169.965550	150.032403	10.012584	1.01611316	3.203558
01/21/1858	242.788136	2.17530692	0.53201713	170.189544	149.825198	10.020670	1.01800637	3.208348
01/29/1887	258.725396	2.17513628	0.53165551	170.755011	149.551201	10.063875	1.01871309	3.207970
02/07/1916	281.188839	2.16980397	0.53066835	171.477585	149.222454	10.136146	1.01835768	3.196181
02/14/1945	311.754194	2.16769403	0.53130523	172.041454	148.923028	10.187065	1.01598685	3.191520
02/22/1974	344.539040	2.16782498	0.53044158	172.241704	148.730500	10.192801	1.01792049	3.191809
03/02/2003	14.970742	2.17073288	0.53167058	172.856656	148.459591	10.229599	1.01661808	3.198234
03/09/2032	36.034162	2.17362338	0.53256964	173.460276	148.180519	10.263956	1.01601755	3.204624
03/17/2061	54.114728	2.17522010	0.53138790	173.694313	147.985262	10.265966	1.01933446	3.208156
03/25/2090	72.337646	2.17422008	0.53087122	174.258373	147.713410	10.299991	1.01998921	3.205944
04/03/2119	94.309992	2.17146850	0.53151582	174.899855	147.451633	10.350941	1.01729863	3.199860
04/10/2148	123.036062	2.16752664	0.53169831	175.453814	147.164727	10.401989	1.01505639	3.191150
04/18/2177	154.796437	2.16850907	0.53018116	175.693356	146.983274	10.400324	1.01880642	3.193320

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