Asteroid General Data

2018 ET₃

General information

Preliminary designation	2018 ET₃
Group	Apollo
Absolute magnitude	26.60
Approximate diameter (m)	13
Approximate mass (kg)	3.77·10⁶
Number of observations	33
Arc length (days)	15

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	325.974191
a – orbit major semiaxis (astronomical units)	1.06509400
e – orbit eccentricity	0.10217200
ω – orbit ascending node-perihelion angle (degrees)	300.240630
Ω – longitude of orbit ascending node (degrees)	162.837661
i – orbit inclination to the ecliptic plane (degrees)	8.831914

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	144.164876	1.06252081	0.10270565	297.025878	165.442950	8.776341	0.95339392	1.095234
01/21/1858	312.718605	1.06247991	0.10099866	297.791002	164.878082	8.831605	0.95517086	1.095170
01/29/1887	139.847260	1.06096760	0.10028523	297.342870	164.549035	8.838909	0.95456822	1.092833
02/07/1916	331.942949	1.06071567	0.10023802	297.338007	164.157589	8.838198	0.95439163	1.092444
02/14/1945	156.449927	1.06248447	0.10102426	298.339742	163.864663	8.839532	0.95514777	1.095177
02/22/1974	328.709755	1.06293926	0.10134922	298.782959	163.508566	8.836003	0.95521120	1.095881
03/02/2003	151.522297	1.06224657	0.10109812	298.529080	163.190719	8.837431	0.95485543	1.094810
03/09/2032	323.078608	1.06290913	0.10093017	299.377561	162.614314	8.853871	0.95562953	1.095834
03/17/2061	125.626942	1.06575708	0.10198417	300.618440	162.327740	8.856456	0.95706673	1.100241
03/25/2090	234.123273	1.06722606	0.10280410	301.582099	161.955376	8.853922	0.95751085	1.102517
04/03/2119	320.071914	1.06995680	0.10396601	302.783234	161.617158	8.853757	0.95871766	1.106751
04/10/2148	52.431112	1.06800253	0.10325231	302.571739	161.161248	8.851970	0.95772880	1.103720
04/18/2177	155.312078	1.06814903	0.10334033	302.851778	160.962952	8.854424	0.95776616	1.103947

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