Asteroid General Data

2015 ET₃

General information

Preliminary designation	2015 ET₃
Group	Amor
Absolute magnitude	19.88
Approximate diameter (m)	280
Approximate mass (kg)	4.05·10¹⁰
Number of observations	76
Arc length (days)	9920

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	228.032679
a – orbit major semiaxis (astronomical units)	2.72923500
e – orbit eccentricity	0.55117800
ω – orbit ascending node-perihelion angle (degrees)	331.817764
Ω – longitude of orbit ascending node (degrees)	109.757540
i – orbit inclination to the ecliptic plane (degrees)	11.730819

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	39.326018	2.68477939	0.57948628	323.389043	115.909768	10.647958	1.12898658	4.399097
01/21/1858	247.103143	2.67620018	0.58433946	324.733111	114.827060	10.842622	1.11239081	4.378028
01/29/1887	100.509147	2.69041757	0.57773218	325.150800	114.380234	10.863811	1.13607676	4.412962
02/07/1916	308.053147	2.69793833	0.57169856	326.620680	113.320341	11.062526	1.15553086	4.431478
02/14/1945	142.781374	2.70335454	0.56624847	328.771314	111.931033	11.344006	1.17258417	4.444830
02/22/1974	328.678742	2.71659860	0.55852356	330.589373	110.713398	11.589961	1.19931428	4.477533
03/02/2003	144.170621	2.70964003	0.56205858	330.909177	110.361297	11.654594	1.18666361	4.460340
03/09/2032	305.363149	2.71782735	0.55671419	332.381506	109.355142	11.835659	1.20477431	4.480571
03/17/2061	110.623780	2.72699154	0.55159303	332.622982	109.067513	11.845034	1.22280200	4.503252
03/25/2090	282.737863	2.71531209	0.55602037	334.099334	108.107047	12.074900	1.20554324	4.474353
04/03/2119	105.087396	2.70794724	0.55879084	335.998604	107.032865	12.375343	1.19477113	4.456161
04/10/2148	298.406008	2.68797017	0.56615635	337.785618	106.055962	12.698992	1.16615879	4.406941
04/18/2177	141.939165	2.67886431	0.57091491	338.858253	105.319373	12.894944	1.14946074	4.384567

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