Asteroid General Data

2025 HD₁

General information

Preliminary designation	2025 HD₁
Group	Amor
Absolute magnitude	25.62
Approximate diameter (m)	20
Approximate mass (kg)	1.46·10⁷
Number of observations	47
Arc length (days)	7

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	303.838353
a – orbit major semiaxis (astronomical units)	1.38714600
e – orbit eccentricity	0.25411300
ω – orbit ascending node-perihelion angle (degrees)	11.111731
Ω – longitude of orbit ascending node (degrees)	210.487977
i – orbit inclination to the ecliptic plane (degrees)	30.140575

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	316.947076	1.38774038	0.25384864	9.557267	211.201952	30.144011	1.03546436	1.634794
01/21/1858	229.235040	1.38746879	0.25369276	9.772088	211.098808	30.146360	1.03547801	1.634314
01/29/1887	142.496308	1.38747050	0.25381346	9.954969	210.995258	30.146320	1.03531181	1.634317
02/07/1916	53.341807	1.38721399	0.25379339	10.183915	210.888263	30.145475	1.03514825	1.633864
02/14/1945	327.145240	1.38736587	0.25397160	10.415212	210.783568	30.144044	1.03501434	1.634132
02/22/1974	239.865508	1.38766838	0.25419002	10.596911	210.685575	30.141287	1.03493693	1.634666
03/02/2003	155.125156	1.38685037	0.25389250	10.886764	210.576191	30.143777	1.03473946	1.633221
03/09/2032	70.372478	1.38711496	0.25417566	11.159725	210.475566	30.141348	1.03454410	1.633689
03/17/2061	345.762018	1.38704981	0.25417894	11.384033	210.370220	30.140475	1.03449096	1.633574
03/25/2090	259.062499	1.38771260	0.25466845	11.570374	210.271415	30.138254	1.03430599	1.634745
04/03/2119	173.721219	1.38713267	0.25444498	11.780646	210.168550	30.143279	1.03418373	1.633720
04/10/2148	86.911933	1.38763819	0.25494748	12.035586	210.058366	30.137140	1.03386334	1.634613
04/18/2177	359.408040	1.38737883	0.25494231	12.222095	209.955046	30.139861	1.03367727	1.634155

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