Asteroid General Data

2004 HD₂

General information

Preliminary designation	2004 HD₂
Group	Apollo
Absolute magnitude	20.70
Approximate diameter (m)	190
Approximate mass (kg)	1.31·10¹⁰
Number of observations	53
Arc length (days)	20

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	145.361189
a – orbit major semiaxis (astronomical units)	2.31683500
e – orbit eccentricity	0.83181900
ω – orbit ascending node-perihelion angle (degrees)	64.536684
Ω – longitude of orbit ascending node (degrees)	24.085124
i – orbit inclination to the ecliptic plane (degrees)	15.038197

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	75.669086	2.31307904	0.82764137	46.884133	41.905485	18.334329	0.39867914	3.517923
01/21/1858	166.260939	2.31550982	0.82769067	49.444898	39.284694	17.647449	0.39898394	3.523470
01/29/1887	259.124436	2.30967043	0.83053035	51.337251	37.385211	17.248298	0.39141905	3.510150
02/07/1916	349.790650	2.31254970	0.83058324	53.579246	35.136307	16.763229	0.39178467	3.516715
02/14/1945	78.536458	2.31107267	0.83167887	56.296991	32.395499	16.253141	0.38900237	3.513347
02/22/1974	167.808142	2.30969742	0.83291877	59.176780	29.491738	15.791351	0.38590709	3.510211
03/02/2003	257.193971	2.31085594	0.83340951	61.735211	26.922259	15.424897	0.38496663	3.512853
03/09/2032	344.501809	2.31309191	0.83341247	65.030051	23.580944	15.001162	0.38533227	3.517952
03/17/2061	70.550528	2.31453185	0.83370930	68.422662	20.141538	14.641605	0.38488512	3.521238
03/25/2090	156.312697	2.31885388	0.83323410	70.230191	18.271368	14.430154	0.38670575	3.531105
04/03/2119	242.383417	2.31948982	0.83282942	74.289675	14.209150	14.147366	0.38775046	3.532558
04/10/2148	325.520484	2.31684145	0.83398274	75.858912	12.640242	14.064634	0.38463568	3.526510
04/18/2177	48.258549	2.31898435	0.83300887	80.235378	8.192268	13.829628	0.38724981	3.531403

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