Asteroid General Data

2015 HD₁

General information

Preliminary designation	2015 HD₁
Group	Apollo
Absolute magnitude	27.37
Approximate diameter (m)	9
Approximate mass (kg)	1.30·10⁶
Number of observations	53
Arc length (days)	3

Approaches

Date	Object	r, AU	r, km
04/21/2015 08:24:00 AM	Earth	0.000397	59 360

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	80.622621
a – orbit major semiaxis (astronomical units)	2.30487585
e – orbit eccentricity	0.64723039
ω – orbit ascending node-perihelion angle (degrees)	57.811509
Ω – longitude of orbit ascending node (degrees)	210.778517
i – orbit inclination to the ecliptic plane (degrees)	5.339065

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	34.532966	2.20285605	0.63296408	49.987200	219.366216	4.344489	0.80852730	3.269488
01/21/1858	351.752958	2.19991947	0.63466956	50.660516	218.741877	4.333975	0.80369754	3.262953
01/29/1887	300.136415	2.20201583	0.63554263	52.672147	217.052749	4.315504	0.80254089	3.267618
02/07/1916	251.207713	2.20591160	0.63508105	53.395013	216.361056	4.298323	0.80497894	3.276293
02/14/1945	196.679572	2.20219528	0.63616557	55.539183	214.654321	4.235936	0.80123446	3.268017
02/22/1974	145.639983	2.20732045	0.63390687	56.626718	213.655463	4.209316	0.80808485	3.279432
03/02/2003	93.859343	2.20292037	0.63636883	58.420012	212.184396	4.162791	0.80105050	3.269632
03/09/2032	283.659606	2.30623234	0.64757149	57.825908	210.729661	5.337364	0.81278203	3.502315
03/17/2061	24.629427	2.30229917	0.65016207	59.700959	209.073185	5.269833	0.80543158	3.493359
03/25/2090	125.757457	2.30611672	0.64858280	61.602232	207.377872	5.203692	0.81040908	3.502052
04/03/2119	226.738198	2.30487113	0.64994552	64.393729	204.947453	5.126151	0.80683046	3.499215
04/10/2148	323.061724	2.30665210	0.65108033	66.233439	203.343801	5.084898	0.80483628	3.503271
04/18/2177	57.241276	2.31521257	0.64745611	68.957413	201.019779	5.013422	0.81621404	3.522791

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