Asteroid General Data

2012 HL₃₁

General information

Preliminary designation	2012 HL₃₁
Group	Aten
Absolute magnitude	22.39
Approximate diameter (m)	88
Approximate mass (kg)	1.26·10⁹
Number of observations	91
Arc length (days)	3652

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	220.046258
a – orbit major semiaxis (astronomical units)	0.88761600
e – orbit eccentricity	0.37398500
ω – orbit ascending node-perihelion angle (degrees)	17.546354
Ω – longitude of orbit ascending node (degrees)	37.475615
i – orbit inclination to the ecliptic plane (degrees)	19.809469

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	96.241259	0.88770578	0.37435746	16.915422	38.393283	19.819118	0.55538650	0.836381
01/21/1858	347.681231	0.88769764	0.37424830	17.038673	38.257077	19.820336	0.55547831	0.836370
01/29/1887	239.173472	0.88765050	0.37422482	17.101804	38.125158	19.820105	0.55546965	0.836303
02/07/1916	130.219909	0.88773599	0.37421301	17.195248	37.987005	19.812403	0.55553364	0.836424
02/14/1945	22.123187	0.88773243	0.37410353	17.297732	37.854694	19.814690	0.55562859	0.836419
02/22/1974	273.536573	0.88759261	0.37409412	17.374321	37.721165	19.810402	0.55554944	0.836221
03/02/2003	164.983703	0.88772009	0.37407000	17.492117	37.583042	19.806537	0.55565063	0.836401
03/09/2032	57.022903	0.88770186	0.37401996	17.586233	37.448447	19.809480	0.55568364	0.836376
03/17/2061	308.201518	0.88767766	0.37404828	17.652223	37.319519	19.802326	0.55564336	0.836341
03/25/2090	199.744988	0.88770279	0.37398074	17.777544	37.178389	19.803158	0.55571904	0.836377
04/03/2119	91.432778	0.88770792	0.37394901	17.842089	37.044643	19.804704	0.55575042	0.836384
04/10/2148	342.365082	0.88772679	0.37396606	17.926223	36.909728	19.797537	0.55574710	0.836411
04/18/2177	233.892229	0.88770592	0.37380160	18.045091	36.767687	19.799079	0.55588003	0.836381

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