Asteroid General Data

2009 DE₁

General information

Preliminary designation	2009 DE₁
Group	Apollo
Absolute magnitude	24.56
Approximate diameter (m)	33
Approximate mass (kg)	6.31·10⁷
Number of observations	91
Arc length (days)	5851

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	225.130601
a – orbit major semiaxis (astronomical units)	1.73039600
e – orbit eccentricity	0.61183600
ω – orbit ascending node-perihelion angle (degrees)	82.825550
Ω – longitude of orbit ascending node (degrees)	157.316040
i – orbit inclination to the ecliptic plane (degrees)	0.949514

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	31.025126	1.73831201	0.61181575	83.056305	156.532623	0.825784	0.67478534	2.291882
01/21/1858	274.017729	1.73179186	0.61252087	83.180578	156.319263	0.879644	0.67103320	2.278999
01/29/1887	179.617180	1.73200322	0.61127638	84.325257	155.261702	0.892766	0.67327057	2.279416
02/07/1916	82.736308	1.73624322	0.61220573	83.628561	155.989566	0.903954	0.67330516	2.287792
02/14/1945	327.474270	1.73740150	0.61197467	83.890836	155.771507	0.909589	0.67415579	2.290081
02/22/1974	218.444065	1.73399207	0.61172009	83.135299	156.613412	0.928633	0.67327429	2.283344
03/02/2003	114.532794	1.73315724	0.61143529	82.402428	157.364525	0.945179	0.67344374	2.281695
03/09/2032	17.230766	1.73243265	0.61182472	82.292358	157.731877	0.959134	0.67248754	2.280264
03/17/2061	279.631991	1.73398337	0.61167302	83.207032	156.856982	0.971208	0.67335252	2.283326
03/25/2090	179.204376	1.73201076	0.61193176	83.326164	156.940121	0.976796	0.67213838	2.279431
04/03/2119	104.929532	1.72305895	0.61101557	84.239433	155.855108	1.063107	0.67024311	2.261782
04/10/2148	45.885915	1.72290943	0.61138945	84.663710	155.566297	1.084330	0.66954079	2.261488
04/18/2177	336.501580	1.72623403	0.61087159	84.966207	155.313141	1.087318	0.67172671	2.268037

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