Asteroid General Data

2009 DF₁

General information

Preliminary designation	2009 DF₁
Group	Amor
Absolute magnitude	20.52
Approximate diameter (m)	210
Approximate mass (kg)	1.67·10¹⁰
Number of observations	162
Arc length (days)	3990

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	104.092768
a – orbit major semiaxis (astronomical units)	1.97820800
e – orbit eccentricity	0.40812500
ω – orbit ascending node-perihelion angle (degrees)	38.682246
Ω – longitude of orbit ascending node (degrees)	142.209294
i – orbit inclination to the ecliptic plane (degrees)	4.063895

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	100.092216	1.97917105	0.40698408	35.507508	143.792583	4.072636	1.17367995	2.784361
01/21/1858	253.822676	1.97936255	0.40742694	35.848011	143.587730	4.072991	1.17291692	2.784766
01/29/1887	45.646955	1.97817911	0.40813175	36.496220	143.354668	4.071311	1.17082141	2.782268
02/07/1916	199.297213	1.98045957	0.40663424	36.916656	143.101043	4.067820	1.17513690	2.787081
02/14/1945	352.852034	1.97833551	0.40832023	37.257523	142.895943	4.070686	1.17054110	2.782598
02/22/1974	145.591619	1.97953354	0.40749357	37.926662	142.632881	4.065703	1.17288635	2.785126
03/02/2003	299.255586	1.97920272	0.40696404	38.274297	142.368747	4.063271	1.17373838	2.784428
03/09/2032	92.587785	1.97814539	0.40818841	38.743506	142.184730	4.064313	1.17068936	2.782197
03/17/2061	244.967938	1.97827825	0.40770932	39.370972	141.891789	4.058574	1.17171577	2.782478
03/25/2090	39.082460	1.97886930	0.40743005	39.627964	141.677178	4.059251	1.17261848	2.783725
04/03/2119	191.644034	1.97761584	0.40851609	40.181275	141.448618	4.057066	1.16972796	2.781080
04/10/2148	344.405766	1.97924881	0.40700898	40.788676	141.140322	4.051293	1.17367678	2.784526
04/18/2177	138.650645	1.97848460	0.40784028	40.998055	140.971681	4.053045	1.17157889	2.782913

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