Asteroid General Data

1986 WA (3838 Epona)

General information

Preliminary designation	1986 WA
Name	Epona
Number	3838
Group	Apollo
Absolute magnitude	15.67
Approximate diameter (m)	2 000
Approximate mass (kg)	1.36·10¹³
Number of observations	2123
Arc length (days)	14332

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	239.460101
a – orbit major semiaxis (astronomical units)	1.50505200
e – orbit eccentricity	0.70256800
ω – orbit ascending node-perihelion angle (degrees)	49.787065
Ω – longitude of orbit ascending node (degrees)	235.408958
i – orbit inclination to the ecliptic plane (degrees)	29.173896

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	211.322608	1.50546277	0.69784071	47.757474	237.564175	29.798070	0.45488956	1.847165
01/21/1858	108.272704	1.50512187	0.69836385	48.008527	237.275562	29.715296	0.45399916	1.846537
01/29/1887	7.108970	1.50487089	0.69911371	48.319475	236.937666	29.612430	0.45279502	1.846076
02/07/1916	267.126720	1.50471432	0.69969676	48.605817	236.646109	29.528854	0.45187058	1.845787
02/14/1945	167.512099	1.50462289	0.70050697	48.927023	236.302792	29.429809	0.45062407	1.845619
02/22/1974	67.847064	1.50459829	0.70128441	49.202715	236.018394	29.354031	0.44944696	1.845574
03/02/2003	327.991671	1.50475116	0.70201210	49.548050	235.656110	29.245934	0.44839764	1.845855
03/09/2032	227.106255	1.50509193	0.70275385	49.817291	235.372036	29.170813	0.44738278	1.846482
03/17/2061	124.246340	1.50558227	0.70346413	50.114166	235.073245	29.083736	0.44645916	1.847385
03/25/2090	20.117002	1.50543222	0.70418630	50.446718	234.725576	28.982821	0.44532748	1.847109
04/03/2119	277.174628	1.50498968	0.70481056	50.723988	234.430108	28.898116	0.44425705	1.846294
04/10/2148	176.410611	1.50458710	0.70543530	51.077508	234.062091	28.790200	0.44319825	1.845553
04/18/2177	78.261087	1.50412703	0.70600069	51.375202	233.759331	28.704416	0.44221230	1.844707

Detailed table...

3D animation...

Calculation on the date...

Return to search