Asteroid General Data

2017 ER₂

General information

Preliminary designation	2017 ER₂
Group	Amor
Absolute magnitude	24.83
Approximate diameter (m)	29
Approximate mass (kg)	4.34·10⁷
Number of observations	23
Arc length (days)	23

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	210.675521
a – orbit major semiaxis (astronomical units)	2.39535800
e – orbit eccentricity	0.52879100
ω – orbit ascending node-perihelion angle (degrees)	164.559712
Ω – longitude of orbit ascending node (degrees)	351.621485
i – orbit inclination to the ecliptic plane (degrees)	9.557804

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	46.295643	2.38841304	0.53585793	159.614742	354.392519	9.420361	1.10856296	3.691176
01/21/1858	354.729215	2.39867424	0.52850632	159.960020	354.119065	9.376864	1.13095974	3.714989
01/29/1887	296.761858	2.38680528	0.53575484	161.219593	353.496151	9.498181	1.10806280	3.687450
02/07/1916	246.337446	2.40096550	0.52836352	161.790413	353.197679	9.474057	1.13238293	3.720313
02/14/1945	188.548752	2.38742750	0.53521870	162.810368	352.633618	9.559036	1.10963166	3.688892
02/22/1974	136.086458	2.39841285	0.53027790	163.174578	352.338862	9.534945	1.12658751	3.714382
03/02/2003	76.167504	2.38810408	0.53434640	164.382939	351.803286	9.605467	1.11202925	3.690460
03/09/2032	22.460069	2.39567916	0.52827081	164.575269	351.617243	9.552251	1.13011178	3.708033
03/17/2061	324.931080	2.38754332	0.53364468	165.998715	350.998848	9.646592	1.11344353	3.689160
03/25/2090	268.939575	2.39820958	0.52665431	166.318611	350.792331	9.580449	1.13518216	3.713909
04/03/2119	210.917588	2.38645473	0.53362063	167.631426	350.208517	9.682207	1.11299325	3.686637
04/10/2148	155.206548	2.39832860	0.52591322	168.139637	349.952872	9.607268	1.13701590	3.714186
04/18/2177	99.999636	2.38620767	0.53360318	169.212775	349.439594	9.703026	1.11291967	3.686065

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