Asteroid General Data

2018 WJ

General information

Preliminary designation	2018 WJ
Group	Apollo
Absolute magnitude	27.68
Approximate diameter (m)	8
Approximate mass (kg)	8.47·10⁵
Number of observations	81
Arc length (days)	3

Approaches

Date	Object	r, AU	r, km
11/19/2018 11:16:48 PM	Earth	0.000795	118 950

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	97.589285
a – orbit major semiaxis (astronomical units)	2.25502812
e – orbit eccentricity	0.70208865
ω – orbit ascending node-perihelion angle (degrees)	76.650084
Ω – longitude of orbit ascending node (degrees)	56.321318
i – orbit inclination to the ecliptic plane (degrees)	1.708938

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	4.642718	2.38447551	0.70806425	58.794907	70.006348	2.045094	0.69611365	3.682052
01/21/1858	347.349787	2.36903682	0.71440105	60.500488	68.622397	2.015979	0.67659443	3.646350
01/29/1887	319.288886	2.36996378	0.71391684	64.577429	65.168955	1.976738	0.67800674	3.648490
02/07/1916	307.266066	2.38007769	0.70786315	65.868405	63.990560	1.948987	0.69530839	3.671870
02/14/1945	290.599737	2.36342431	0.71564803	68.267194	61.968345	1.924340	0.67204435	3.633400
02/22/1974	262.828356	2.37529652	0.71380263	71.894558	58.725467	1.880973	0.67980363	3.660811
03/02/2003	247.699281	2.37178718	0.71519347	72.429579	58.207758	1.876814	0.67550047	3.652702
03/09/2032	320.551783	2.25116714	0.70172459	76.924589	55.964256	1.729839	0.67146780	3.377631
03/17/2061	169.934129	2.25591148	0.70293242	77.668699	55.398371	1.711733	0.67015817	3.388314
03/25/2090	33.204591	2.23901263	0.70279270	78.647853	54.773563	1.696110	0.66545089	3.350313
04/03/2119	277.909712	2.23468525	0.70418001	79.831656	53.708663	1.686853	0.66106456	3.340605
04/10/2148	151.153085	2.24096018	0.70048465	80.615307	53.090797	1.670579	0.67120196	3.354686
04/18/2177	12.049344	2.24773742	0.69656880	84.768229	49.659044	1.651269	0.68203367	3.369915

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