Asteroid General Data

2020 ER

General information

Preliminary designation	2020 ER
Group	Apollo
Absolute magnitude	26.97
Approximate diameter (m)	11
Approximate mass (kg)	2.26·10⁶
Number of observations	56
Arc length (days)	18

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	133.202026
a – orbit major semiaxis (astronomical units)	1.14578700
e – orbit eccentricity	0.12322000
ω – orbit ascending node-perihelion angle (degrees)	331.261955
Ω – longitude of orbit ascending node (degrees)	173.471863
i – orbit inclination to the ecliptic plane (degrees)	4.438014

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	276.421692	1.14009616	0.12092965	324.648848	176.994367	4.347174	1.00222474	1.217343
01/21/1858	219.811986	1.13747226	0.11898978	325.286854	176.385921	4.368556	1.00212469	1.213143
01/29/1887	194.981147	1.13691732	0.11856499	325.529209	176.107465	4.372927	1.00211874	1.212255
02/07/1916	153.802042	1.13958812	0.12035003	326.607994	175.633503	4.379580	1.00243865	1.216529
02/14/1945	114.593344	1.13659062	0.11818379	327.020411	175.154961	4.388532	1.00226403	1.211732
02/22/1974	89.626495	1.13798461	0.11918161	327.425442	174.861514	4.390160	1.00235778	1.213962
03/02/2003	37.418417	1.14006097	0.12048089	328.273088	174.434096	4.394196	1.00270541	1.217286
03/09/2032	300.353295	1.14613064	0.12352297	331.281514	173.427450	4.437607	1.00455717	1.227020
03/17/2061	180.990398	1.14792447	0.12401932	333.582998	172.554455	4.472114	1.00555966	1.229902
03/25/2090	48.431871	1.14619494	0.12275261	334.116615	172.118083	4.482875	1.00549652	1.227124
04/03/2119	282.784570	1.14737752	0.12343650	334.841651	171.693455	4.486645	1.00574926	1.229023
04/10/2148	154.663648	1.14619617	0.12264375	335.247538	171.317302	4.493381	1.00562238	1.227126
04/18/2177	26.110094	1.14748140	0.12362756	335.819120	170.924815	4.495976	1.00562108	1.229190

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