Asteroid General Data

2018 DD₄

General information

Preliminary designation	2018 DD₄
Group	Amor
Absolute magnitude	20.33
Approximate diameter (m)	230
Approximate mass (kg)	2.18·10¹⁰
Number of observations	33
Arc length (days)	39

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	210.831897
a – orbit major semiaxis (astronomical units)	1.78080600
e – orbit eccentricity	0.40769900
ω – orbit ascending node-perihelion angle (degrees)	199.301888
Ω – longitude of orbit ascending node (degrees)	318.297410
i – orbit inclination to the ecliptic plane (degrees)	35.156099

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	192.082410	1.78399350	0.39901465	197.174922	319.153901	35.264058	1.07215396	2.382816
01/21/1858	256.921083	1.78358618	0.40054842	197.437855	319.027264	35.263706	1.06917355	2.382000
01/29/1887	323.859145	1.78322764	0.40176201	197.717122	318.904949	35.259379	1.06679453	2.381282
02/07/1916	32.068314	1.78228741	0.40334642	198.059702	318.780764	35.253885	1.06340817	2.379399
02/14/1945	102.315369	1.78219880	0.40457022	198.313463	318.659827	35.241967	1.06117424	2.379221
02/22/1974	173.095266	1.78257677	0.40557449	198.659642	318.535837	35.221734	1.05960911	2.379978
03/02/2003	245.952310	1.78158635	0.40708831	199.016121	318.399407	35.193505	1.05632338	2.377995
03/09/2032	318.692530	1.78165097	0.40792522	199.303608	318.273435	35.161701	1.05487060	2.378124
03/17/2061	31.489997	1.78153152	0.40907206	199.718189	318.130132	35.116082	1.05275675	2.377885
03/25/2090	105.538567	1.78105928	0.40980092	200.096193	317.996481	35.077974	1.05117955	2.376940
04/03/2119	179.281310	1.78128842	0.41083649	200.505769	317.849219	35.019565	1.04947014	2.377398
04/10/2148	251.929102	1.78187954	0.41147309	200.834986	317.715382	34.970033	1.04868405	2.378582
04/18/2177	324.050847	1.78158358	0.41186603	201.281826	317.547353	34.901332	1.04780983	2.377989

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