Asteroid General Data

2003 WH₁₆₆

General information

Preliminary designation	2003 WH₁₆₆
Group	Apollo
Absolute magnitude	21.90
Approximate diameter (m)	110
Approximate mass (kg)	2.49·10⁹
Number of observations	174
Arc length (days)	3112

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	138.234070
a – orbit major semiaxis (astronomical units)	1.93615300
e – orbit eccentricity	0.55754900
ω – orbit ascending node-perihelion angle (degrees)	329.422549
Ω – longitude of orbit ascending node (degrees)	185.656155
i – orbit inclination to the ecliptic plane (degrees)	0.702353

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	65.691045	1.94626412	0.55992516	319.358197	194.701986	0.599971	0.85650188	2.715209
01/21/1858	309.774785	1.94779699	0.55961431	320.983483	193.220360	0.619609	0.85778191	2.718417
01/29/1887	199.976127	1.93833182	0.55845057	322.769573	191.434350	0.617992	0.85586930	2.698627
02/07/1916	111.978469	1.93534679	0.55851853	324.203475	190.139413	0.635675	0.85441975	2.692395
02/14/1945	27.530947	1.93700134	0.55833679	325.765811	188.744585	0.651264	0.85550222	2.695849
02/22/1974	304.461912	1.93206135	0.55782710	327.227319	187.451662	0.668691	0.85430517	2.685542
03/02/2003	230.317115	1.93275564	0.55727726	328.301150	186.550669	0.686834	0.85567488	2.686990
03/09/2032	149.998592	1.93547987	0.55768715	329.495045	185.581711	0.703758	0.85608762	2.692673
03/17/2061	67.516707	1.93590901	0.55748405	330.554736	184.692043	0.723976	0.85667061	2.693568
03/25/2090	346.658110	1.93531962	0.55707807	331.589643	183.875026	0.742691	0.85719550	2.692339
04/03/2119	268.267081	1.93387693	0.55716558	332.646534	182.979068	0.762694	0.85638727	2.689329
04/10/2148	190.134593	1.93402460	0.55705221	333.576629	182.261479	0.781488	0.85667192	2.689637
04/18/2177	111.383616	1.93361557	0.55752579	334.503006	181.543665	0.801973	0.85557501	2.688783

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