Asteroid General Data

2018 ET₂

General information

Preliminary designation	2018 ET₂
Group	Apollo
Absolute magnitude	19.14
Approximate diameter (m)	390
Approximate mass (kg)	1.13·10¹¹
Number of observations	55
Arc length (days)	2491

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	324.970092
a – orbit major semiaxis (astronomical units)	1.64568300
e – orbit eccentricity	0.64222200
ω – orbit ascending node-perihelion angle (degrees)	324.715207
Ω – longitude of orbit ascending node (degrees)	335.216192
i – orbit inclination to the ecliptic plane (degrees)	50.111778

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	103.000157	1.64592180	0.65329591	323.871035	336.174205	49.518655	0.57064781	2.111613
01/21/1858	10.805863	1.64588278	0.65174605	323.994653	336.042962	49.599165	0.57318517	2.111538
01/29/1887	278.877865	1.64580677	0.64988680	324.121660	335.890098	49.697894	0.57621868	2.111392
02/07/1916	187.046946	1.64585518	0.64848171	324.246061	335.754701	49.779614	0.57854820	2.111485
02/14/1945	94.733283	1.64580811	0.64670506	324.382042	335.603198	49.876195	0.58145569	2.111395
02/22/1974	2.891484	1.64560058	0.64524148	324.485680	335.471679	49.951860	0.58379083	2.110995
03/02/2003	270.831097	1.64602953	0.64340023	324.615318	335.322900	50.043632	0.58697375	2.111821
03/09/2032	178.646235	1.64585930	0.64184872	324.715482	335.199390	50.108976	0.58946661	2.111493
03/17/2061	86.758533	1.64587230	0.64013550	324.814911	335.083928	50.169747	0.59229101	2.111518
03/25/2090	354.739678	1.64588559	0.63843869	324.942981	334.940113	50.264515	0.59508854	2.111544
04/03/2119	262.494424	1.64582066	0.63673542	325.058377	334.821007	50.332815	0.59786835	2.111419
04/10/2148	170.936773	1.64578356	0.63495846	325.187857	334.675852	50.422955	0.60077936	2.111347
04/18/2177	78.771554	1.64578768	0.63349549	325.314667	334.549325	50.500529	0.60318860	2.111355

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