Asteroid General Data

2020 DA₄

General information

Preliminary designation	2020 DA₄
Group	Apollo
Absolute magnitude	25.62
Approximate diameter (m)	20
Approximate mass (kg)	1.46·10⁷
Number of observations	185
Arc length (days)	829

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	48.213960
a – orbit major semiaxis (astronomical units)	1.61847900
e – orbit eccentricity	0.43157300
ω – orbit ascending node-perihelion angle (degrees)	24.380312
Ω – longitude of orbit ascending node (degrees)	180.459658
i – orbit inclination to the ecliptic plane (degrees)	0.844957

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	332.717754	1.62772109	0.43409669	12.840757	191.306738	0.704748	0.92113276	2.076685
01/21/1858	319.765669	1.62826110	0.43441589	13.142329	191.099912	0.714077	0.92091861	2.077718
01/29/1887	309.007112	1.62696902	0.43402345	13.434967	190.738791	0.718415	0.92082632	2.075246
02/07/1916	302.481286	1.62706858	0.43442064	13.826184	190.437621	0.726217	0.92023641	2.075436
02/14/1945	293.897677	1.62871655	0.43456902	14.075216	190.239735	0.736044	0.92092679	2.078590
02/22/1974	280.022901	1.62844349	0.43430976	14.283819	190.048972	0.741652	0.92119459	2.078067
03/02/2003	271.398261	1.62574859	0.43358415	15.613334	188.738459	0.740905	0.92084977	2.072911
03/09/2032	286.617732	1.61786932	0.43135550	24.430361	180.404070	0.845087	0.91999248	2.057860
03/17/2061	325.006499	1.61743641	0.43118582	24.815661	180.123177	0.852286	0.92002077	2.057034
03/25/2090	3.461416	1.61731562	0.43132680	24.992918	180.109116	0.858490	0.91972404	2.056803
04/03/2119	5.221325	1.62570277	0.43384231	25.507709	179.375476	0.904276	0.92040412	2.072824
04/10/2148	4.582796	1.62514399	0.43357042	25.707687	179.202408	0.909789	0.92052963	2.071755
04/18/2177	16.380884	1.62270186	0.43335162	28.589030	176.299336	0.902171	0.91950138	2.067087

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