Asteroid General Data

1998 HP₁₂₆

General information

Preliminary designation	1998 HP₁₂₆
Group	Aten
Absolute magnitude	24.97
Approximate diameter (m)	27
Approximate mass (kg)	3.58·10⁷
Number of observations	14
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	171.973623
a – orbit major semiaxis (astronomical units)	0.79421800
e – orbit eccentricity	0.47225900
ω – orbit ascending node-perihelion angle (degrees)	241.373382
Ω – longitude of orbit ascending node (degrees)	183.360742
i – orbit inclination to the ecliptic plane (degrees)	0.744521

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	308.438745	0.79532150	0.47168498	220.340336	205.057784	0.969741	0.42018029	0.709275
01/21/1858	270.533282	0.79597991	0.47121224	221.842634	203.586564	0.979190	0.42090443	0.710156
01/29/1887	228.494401	0.79536712	0.47157289	224.539708	200.781225	0.991814	0.42029355	0.709336
02/07/1916	195.941125	0.79544155	0.47134943	226.461443	198.808627	1.002188	0.42051063	0.709436
02/14/1945	130.113547	0.79706345	0.47036515	228.022541	197.420486	0.973209	0.42215258	0.711607
02/22/1974	74.958977	0.79558146	0.47135516	230.954039	194.207588	0.913458	0.42058004	0.709623
03/02/2003	62.540952	0.79295721	0.47295841	238.504723	186.074888	0.755958	0.41792143	0.706115
03/09/2032	77.564396	0.79403897	0.47237491	241.421493	183.277822	0.744888	0.41895488	0.707560
03/17/2061	83.515139	0.79369731	0.47263189	243.191544	181.507762	0.750699	0.41857065	0.707103
03/25/2090	102.508523	0.79354784	0.47281195	249.687211	175.008120	0.783780	0.41834894	0.706904
04/03/2119	146.030803	0.79176887	0.47373797	253.594057	170.825848	0.740221	0.41667789	0.704528
04/10/2148	205.884545	0.79270489	0.47325429	258.075830	166.479047	0.735404	0.41755390	0.705778
04/18/2177	271.880931	0.79234448	0.47351251	264.271037	160.082255	0.723001	0.41715946	0.705296

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