Asteroid General Data

2020 DD₄

General information

Preliminary designation	2020 DD₄
Group	Apollo
Absolute magnitude	28.33
Approximate diameter (m)	6
Approximate mass (kg)	3.45·10⁵
Number of observations	16
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	344.914287
a – orbit major semiaxis (astronomical units)	1.37946200
e – orbit eccentricity	0.39508500
ω – orbit ascending node-perihelion angle (degrees)	20.588202
Ω – longitude of orbit ascending node (degrees)	205.420553
i – orbit inclination to the ecliptic plane (degrees)	0.540807

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	210.498533	1.38576265	0.39698121	345.968191	238.181368	0.435927	0.83564092	1.631300
01/21/1858	128.268579	1.38786671	0.39761049	347.488803	236.758055	0.437869	0.83603635	1.635017
01/29/1887	47.723471	1.38593903	0.39708383	348.645521	235.689070	0.442486	0.83560504	1.631612
02/07/1916	346.606700	1.38147382	0.39596341	355.625311	228.974763	0.437572	0.83446073	1.623733
02/14/1945	294.795479	1.38293104	0.39612140	359.967916	225.183812	0.436664	0.83512246	1.626303
02/22/1974	223.490114	1.38526880	0.39673708	1.424483	223.668420	0.445892	0.83568131	1.630428
03/02/2003	168.851784	1.38342496	0.39627233	8.503208	217.105552	0.454141	0.83521192	1.627174
03/09/2032	123.913065	1.37691756	0.39467412	24.164040	201.627334	0.541918	0.83348383	1.615707
03/17/2061	102.938450	1.37885812	0.39517008	25.594665	200.450514	0.548178	0.83397465	1.619124
03/25/2090	72.923657	1.37967601	0.39547278	26.298737	199.825400	0.554004	0.83405171	1.620564
04/03/2119	41.838265	1.37921063	0.39551152	26.572650	199.587041	0.559173	0.83371693	1.619744
04/10/2148	343.817827	1.38424962	0.39666053	28.449059	197.429432	0.590747	0.83517243	1.628629
04/18/2177	281.159395	1.38234200	0.39634813	29.780878	196.021452	0.597869	0.83445333	1.625264

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