Asteroid General Data

1989 DA (168318)

General information

Preliminary designation	1989 DA
Number	168318
Group	Apollo
Absolute magnitude	19.03
Approximate diameter (m)	420
Approximate mass (kg)	1.31·10¹¹
Number of observations	853
Arc length (days)	12884

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	299.937269
a – orbit major semiaxis (astronomical units)	2.16184500
e – orbit eccentricity	0.54199400
ω – orbit ascending node-perihelion angle (degrees)	139.869127
Ω – longitude of orbit ascending node (degrees)	349.045994
i – orbit inclination to the ecliptic plane (degrees)	6.493852

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	219.183419	2.15924391	0.54705118	134.085018	353.198829	6.258125	0.97802698	3.172876
01/21/1858	265.299608	2.15997362	0.54609728	134.717485	352.666988	6.280229	0.98041791	3.174485
01/29/1887	314.904807	2.16229695	0.54327365	135.814053	351.980122	6.323061	0.98757800	3.179608
02/07/1916	3.534770	2.16055658	0.54422731	137.077882	351.087775	6.382324	0.98472268	3.175770
02/14/1945	54.031085	2.16086615	0.54362135	137.327672	350.777411	6.388361	0.98617317	3.176453
02/22/1974	104.878737	2.15909374	0.54339402	138.486169	350.046352	6.439039	0.98585511	3.172545
03/02/2003	153.403375	2.15996192	0.54563645	139.443720	349.359413	6.487012	0.98140798	3.174459
03/09/2032	199.921700	2.16117466	0.54298849	140.052595	348.858147	6.503313	0.98768170	3.177133
03/17/2061	249.238972	2.16177528	0.54210079	141.067791	348.275886	6.546092	0.98987520	3.178458
03/25/2090	298.411354	2.15872714	0.54367113	141.568193	347.779276	6.579781	0.98508952	3.171738
04/03/2119	347.405617	2.16161863	0.54159636	142.409023	347.234773	6.609827	0.99089385	3.178112
04/10/2148	38.651586	2.15907543	0.54182975	143.619174	346.558525	6.665786	0.98922413	3.172505
04/18/2177	84.108490	2.15975123	0.54366735	144.420113	345.956846	6.709839	0.98556499	3.173995

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