Asteroid General Data

2018 DM

General information

Preliminary designation	2018 DM
Group	Apollo
Absolute magnitude	24.02
Approximate diameter (m)	42
Approximate mass (kg)	1.33·10⁸
Number of observations	39
Arc length (days)	21

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	285.811737
a – orbit major semiaxis (astronomical units)	1.18468900
e – orbit eccentricity	0.17508000
ω – orbit ascending node-perihelion angle (degrees)	286.732801
Ω – longitude of orbit ascending node (degrees)	153.775853
i – orbit inclination to the ecliptic plane (degrees)	22.852954

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	186.634543	1.18463596	0.17563882	285.740360	154.603225	22.824883	0.97656791	1.289371
01/21/1858	7.667526	1.18494573	0.17564108	285.884784	154.480227	22.829839	0.97682058	1.289877
01/29/1887	189.343065	1.18468765	0.17548443	286.062462	154.359237	22.833905	0.97679342	1.289456
02/07/1916	9.451439	1.18480205	0.17539152	286.164074	154.242256	22.837685	0.97699782	1.289642
02/14/1945	190.934843	1.18485549	0.17541510	286.351804	154.118157	22.842003	0.97701394	1.289730
02/22/1974	11.874650	1.18459691	0.17516978	286.493525	153.991854	22.846174	0.97709133	1.289307
03/02/2003	192.395825	1.18485115	0.17524277	286.615172	153.877119	22.848795	0.97721455	1.289723
03/09/2032	14.161862	1.18482693	0.17521954	286.800803	153.748857	22.852411	0.97722210	1.289683
03/17/2061	194.708269	1.18461978	0.17500014	286.889691	153.632664	22.855128	0.97731116	1.289345
03/25/2090	15.778875	1.18493209	0.17512699	287.038483	153.515426	22.858303	0.97741850	1.289855
04/03/2119	197.190349	1.18480723	0.17490662	287.223286	153.388860	22.862911	0.97757660	1.289651
04/10/2148	17.154496	1.18473888	0.17485236	287.304308	153.276997	22.866223	0.97758449	1.289539
04/18/2177	198.700802	1.18499293	0.17485118	287.489211	153.152256	22.870952	0.97779552	1.289954

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