Asteroid General Data

1993 HC

General information

Preliminary designation	1993 HC
Group	Apollo
Absolute magnitude	20.70
Approximate diameter (m)	190
Approximate mass (kg)	1.31·10¹⁰
Number of observations	56
Arc length (days)	10245

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	347.007673
a – orbit major semiaxis (astronomical units)	1.98981800
e – orbit eccentricity	0.50797800
ω – orbit ascending node-perihelion angle (degrees)	306.917296
Ω – longitude of orbit ascending node (degrees)	201.000304
i – orbit inclination to the ecliptic plane (degrees)	9.431456

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	174.733505	1.98964861	0.50861193	301.356056	205.367633	9.070993	0.97768959	2.806501
01/21/1858	299.486247	1.98779202	0.50963085	302.437935	204.508357	9.134547	0.97475189	2.802574
01/29/1887	64.837472	1.98968401	0.50785354	303.290034	203.908789	9.191861	0.97921595	2.806576
02/07/1916	189.237031	1.98887309	0.50963595	304.004139	203.295131	9.232889	0.97527187	2.804860
02/14/1945	310.958932	1.98896887	0.50807442	305.013578	202.607089	9.296479	0.97842466	2.805063
02/22/1974	79.362177	1.98698927	0.50875580	305.419670	202.134683	9.324721	0.97609695	2.800876
03/02/2003	205.719323	1.98790691	0.50843973	306.640408	201.296540	9.410085	0.97717606	2.802817
03/09/2032	330.857258	1.98979845	0.50763069	306.915481	200.979523	9.430188	0.97971569	2.806818
03/17/2061	92.772951	1.98865305	0.50834840	308.018395	200.205537	9.504058	0.97772445	2.804395
03/25/2090	218.280061	1.98864717	0.50597118	308.539987	199.795764	9.541282	0.98244901	2.804382
04/03/2119	344.843486	1.98873641	0.50732576	309.458319	199.073347	9.613854	0.97979919	2.804571
04/10/2148	105.237174	1.99039715	0.50599865	310.288706	198.546685	9.672941	0.98325888	2.808085
04/18/2177	228.880983	1.98971390	0.50671869	310.860290	198.020212	9.716295	0.98148869	2.806639

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