Asteroid General Data

2004 QE₂₀ (164221)

General information

Preliminary designation	2004 QE₂₀
Number	164221
Group	Amor
Absolute magnitude	20.43
Approximate diameter (m)	220
Approximate mass (kg)	1.90·10¹⁰
Number of observations	193
Arc length (days)	7211

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	335.958286
a – orbit major semiaxis (astronomical units)	1.50529800
e – orbit eccentricity	0.20550000
ω – orbit ascending node-perihelion angle (degrees)	74.288083
Ω – longitude of orbit ascending node (degrees)	272.562169
i – orbit inclination to the ecliptic plane (degrees)	6.482384

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	318.193631	1.50490675	0.20464444	71.954787	274.125840	6.496651	1.19693595	1.846142
01/21/1858	216.895520	1.50518546	0.20479693	72.268494	273.860003	6.490378	1.19692810	1.846654
01/29/1887	115.343850	1.50487031	0.20499544	72.691475	273.631919	6.489320	1.19637877	1.846075
02/07/1916	13.508930	1.50504558	0.20504827	73.041350	273.426262	6.487736	1.19643859	1.846397
02/14/1945	271.438715	1.50513959	0.20527006	73.424865	273.207092	6.485293	1.19617950	1.846570
02/22/1974	168.765536	1.50526258	0.20517807	73.741648	272.930517	6.484552	1.19641572	1.846796
03/02/2003	66.185600	1.50523432	0.20533082	74.010352	272.733141	6.483796	1.19616333	1.846744
03/09/2032	323.332194	1.50521580	0.20531958	74.410196	272.501051	6.482160	1.19616552	1.846710
03/17/2061	220.209347	1.50536304	0.20552082	74.719318	272.232542	6.478970	1.19597959	1.846981
03/25/2090	116.649165	1.50532424	0.20552353	75.130771	272.003886	6.478024	1.19594469	1.846910
04/03/2119	12.758610	1.50535031	0.20550174	75.424516	271.809191	6.476566	1.19599820	1.846958
04/10/2148	268.763727	1.50545895	0.20559223	75.739785	271.596592	6.475220	1.19594828	1.847158
04/18/2177	164.423257	1.50540087	0.20565536	76.067728	271.322200	6.475142	1.19580712	1.847051

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