Asteroid General Data

2026 ER₁

General information

Preliminary designation	2026 ER₁
Group	Apollo
Absolute magnitude	26.03
Approximate diameter (m)	17
Approximate mass (kg)	8.28·10⁶
Number of observations	46
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	133.301920
a – orbit major semiaxis (astronomical units)	1.46964500
e – orbit eccentricity	0.46864800
ω – orbit ascending node-perihelion angle (degrees)	287.637688
Ω – longitude of orbit ascending node (degrees)	169.191083
i – orbit inclination to the ecliptic plane (degrees)	33.876920

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	183.241689	1.46895447	0.47124488	286.564959	170.539026	33.698890	0.77671720	1.780382
01/21/1858	291.104527	1.47024915	0.47105312	286.805246	170.333652	33.727176	0.77768370	1.782736
01/29/1887	31.134894	1.47027483	0.47062343	286.929422	170.150845	33.745637	0.77832905	1.782783
02/07/1916	127.731163	1.47100443	0.47049736	287.114269	169.936199	33.766821	0.77890072	1.784110
02/14/1945	225.022166	1.47067588	0.47015758	287.219384	169.749149	33.788645	0.77922646	1.783512
02/22/1974	320.786394	1.47133283	0.46992714	287.392560	169.536033	33.809699	0.77991360	1.784707
03/02/2003	58.720262	1.47029825	0.46953050	287.476774	169.350814	33.835004	0.77994838	1.782825
03/09/2032	159.715231	1.46969721	0.46858988	287.654990	169.156491	33.875680	0.78101198	1.781732
03/17/2061	263.333022	1.46969114	0.46832149	287.788190	168.956789	33.901903	0.78140320	1.781721
03/25/2090	7.578839	1.46991925	0.46805427	287.901477	168.780076	33.919284	0.78191727	1.782136
04/03/2119	109.978584	1.46987533	0.46761064	288.033917	168.575338	33.943567	0.78254599	1.782056
04/10/2148	214.609584	1.46949587	0.46679433	288.248156	168.389500	33.989835	0.78354352	1.781366
04/18/2177	319.774621	1.46935017	0.46628718	288.367064	168.185703	34.015417	0.78421102	1.781101

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