Asteroid General Data

1999 FA (474158)

General information

Preliminary designation	1999 FA
Number	474158
Group	Apollo
Absolute magnitude	20.71
Approximate diameter (m)	190
Approximate mass (kg)	1.29·10¹⁰
Number of observations	221
Arc length (days)	13913

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	261.431059
a – orbit major semiaxis (astronomical units)	1.07826100
e – orbit eccentricity	0.13278600
ω – orbit ascending node-perihelion angle (degrees)	296.992628
Ω – longitude of orbit ascending node (degrees)	166.068177
i – orbit inclination to the ecliptic plane (degrees)	12.031104

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	100.576319	1.06084030	0.12887660	288.597670	167.792804	11.986470	0.92412281	1.092636
01/21/1858	276.668074	1.06590943	0.13017288	290.893411	167.483865	11.989099	0.92715693	1.100477
01/29/1887	35.006513	1.06704914	0.13066437	291.696800	167.270002	11.985376	0.92762384	1.102243
02/07/1916	140.458171	1.07120620	0.13094235	293.407189	166.986943	12.013736	0.93093994	1.108690
02/14/1945	209.316116	1.07070279	0.13089041	293.548945	166.762638	12.012866	0.93055806	1.107909
02/22/1974	234.881692	1.07464707	0.13192368	295.120832	166.530607	12.017733	0.93287568	1.114036
03/02/2003	250.766840	1.07852419	0.13274926	296.818974	166.213783	12.029771	0.93535090	1.120071
03/09/2032	224.881716	1.07715490	0.13218201	296.614630	165.977806	12.036399	0.93477440	1.117938
03/17/2061	227.872128	1.07498433	0.13083918	296.039747	165.744164	12.060122	0.93433427	1.114561
03/25/2090	248.090940	1.07360226	0.13049805	295.883528	165.496246	12.062569	0.93349926	1.112412
04/03/2119	251.739522	1.07574034	0.13128706	296.668885	165.242564	12.059502	0.93450955	1.115737
04/10/2148	264.177201	1.07178243	0.12882135	295.765684	164.985232	12.101639	0.93371397	1.109585
04/18/2177	326.983696	1.07081877	0.12859212	295.804264	164.739066	12.100144	0.93311992	1.108089

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