Asteroid General Data

2018 DA₄

General information

Preliminary designation	2018 DA₄
Group	Apollo
Absolute magnitude	20.58
Approximate diameter (m)	200
Approximate mass (kg)	1.54·10¹⁰
Number of observations	81
Arc length (days)	25

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	209.105004
a – orbit major semiaxis (astronomical units)	1.34693000
e – orbit eccentricity	0.78776400
ω – orbit ascending node-perihelion angle (degrees)	24.766535
Ω – longitude of orbit ascending node (degrees)	357.727056
i – orbit inclination to the ecliptic plane (degrees)	22.059533

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	60.309868	1.34711084	0.78596481	23.325213	358.967686	22.623170	0.28832913	1.563528
01/21/1858	261.254287	1.34728022	0.78624950	23.521695	358.799303	22.546045	0.28798182	1.563823
01/29/1887	101.635474	1.34722949	0.78666889	23.717733	358.630956	22.472992	0.28740596	1.563734
02/07/1916	302.377092	1.34723513	0.78684203	23.948313	358.435311	22.378268	0.28717391	1.563744
02/14/1945	144.156656	1.34713938	0.78708786	24.138769	358.260133	22.307867	0.28682233	1.563577
02/22/1974	345.928159	1.34715529	0.78735558	24.378305	358.056854	22.210088	0.28646506	1.563605
03/02/2003	187.630430	1.34701264	0.78754661	24.585980	357.878695	22.131414	0.28617740	1.563357
03/09/2032	29.625624	1.34715498	0.78780876	24.836070	357.670344	22.030700	0.28585449	1.563605
03/17/2061	231.826569	1.34702530	0.78813700	25.040946	357.495573	21.952508	0.28538482	1.563379
03/25/2090	74.095884	1.34690977	0.78853042	25.278843	357.288384	21.859755	0.28483044	1.563178
04/03/2119	276.891232	1.34697514	0.78879821	25.496297	357.103290	21.780980	0.28448356	1.563292
04/10/2148	119.571276	1.34710363	0.78924121	25.704393	356.922846	21.700711	0.28391394	1.563515
04/18/2177	321.533367	1.34702975	0.78941805	25.948741	356.705706	21.603726	0.28366015	1.563387

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