Asteroid General Data

2004 HO (211871)

General information

Preliminary designation	2004 HO
Number	211871
Group	Apollo
Absolute magnitude	18.85
Approximate diameter (m)	450
Approximate mass (kg)	1.68·10¹¹
Number of observations	288
Arc length (days)	9449

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	289.641698
a – orbit major semiaxis (astronomical units)	1.84608500
e – orbit eccentricity	0.51198500
ω – orbit ascending node-perihelion angle (degrees)	163.919693
Ω – longitude of orbit ascending node (degrees)	146.048324
i – orbit inclination to the ecliptic plane (degrees)	7.887033

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	346.720579	1.84494566	0.51085034	161.266433	147.853311	7.760253	0.90245454	2.505971
01/21/1858	192.046040	1.84618987	0.51152878	161.594731	147.641226	7.777164	0.90181062	2.508506
01/29/1887	34.821886	1.84690774	0.51106823	161.996950	147.430517	7.800616	0.90301188	2.509969
02/07/1916	237.681498	1.84671922	0.51130411	162.381598	147.241091	7.826767	0.90248409	2.509585
02/14/1945	83.161124	1.84410827	0.51139391	162.857985	146.942836	7.858879	0.90104253	2.504265
02/22/1974	294.898469	1.84384324	0.51057665	163.154238	146.651087	7.882800	0.90241994	2.503725
03/02/2003	149.898385	1.84433181	0.51101962	163.519590	146.266548	7.874115	0.90184206	2.504720
03/09/2032	355.454799	1.84628873	0.51176109	163.912023	146.023765	7.885868	0.90142999	2.508708
03/17/2061	197.467273	1.84678762	0.51175112	164.294756	145.816363	7.908504	0.90169199	2.509724
03/25/2090	39.840268	1.84680144	0.51135061	164.651167	145.641104	7.929052	0.90243840	2.509753
04/03/2119	244.674505	1.84474733	0.51099882	164.986088	145.407488	7.948890	0.90208362	2.505567
04/10/2148	94.767070	1.84407065	0.51044803	165.380564	145.070956	7.973451	0.90276841	2.504188
04/18/2177	301.644903	1.84685819	0.51156737	165.834814	144.798506	7.979836	0.90206580	2.509868

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