Asteroid General Data

2021 EX₁

General information

Preliminary designation	2021 EX₁
Group	Apollo
Absolute magnitude	24.82
Approximate diameter (m)	29
Approximate mass (kg)	4.40·10⁷
Number of observations	171
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	218.423700
a – orbit major semiaxis (astronomical units)	1.35044800
e – orbit eccentricity	0.36138000
ω – orbit ascending node-perihelion angle (degrees)	298.383088
Ω – longitude of orbit ascending node (degrees)	166.664941
i – orbit inclination to the ecliptic plane (degrees)	16.124074

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	358.530589	1.34624803	0.36194408	296.137874	168.001923	15.974369	0.85898153	1.562026
01/21/1858	221.883035	1.34425782	0.36085544	296.364962	167.784659	16.019741	0.85917507	1.558563
01/29/1887	85.999071	1.34353238	0.36044369	296.535140	167.601894	16.035876	0.85926462	1.557302
02/07/1916	306.526941	1.34530574	0.36083051	296.920270	167.401736	16.043629	0.85987838	1.560386
02/14/1945	159.567184	1.34650995	0.36117355	297.242487	167.220999	16.051618	0.86018617	1.562482
02/22/1974	1.510719	1.34768232	0.36147184	297.590046	167.009151	16.059808	0.86053312	1.564523
03/02/2003	200.937941	1.34685850	0.36104276	297.742527	166.833842	16.073400	0.86058498	1.563089
03/09/2032	34.837487	1.35001659	0.36145664	298.378745	166.627508	16.127699	0.86204413	1.568589
03/17/2061	216.668076	1.34982414	0.36109770	298.588078	166.437278	16.137786	0.86240575	1.568254
03/25/2090	38.953533	1.35109224	0.36142697	298.896020	166.266479	16.142536	0.86277106	1.570464
04/03/2119	188.212427	1.35604423	0.36213317	299.720741	166.061700	16.189747	0.86497564	1.579106
04/10/2148	312.040856	1.35874717	0.36273988	300.156710	165.875027	16.192754	0.86587539	1.583830
04/18/2177	62.020235	1.35962534	0.36281976	300.451605	165.669395	16.202030	0.86632639	1.585366

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