Asteroid General Data

1999 FB (137158)

General information

Preliminary designation	1999 FB
Number	137158
Group	Apollo
Absolute magnitude	17.91
Approximate diameter (m)	700
Approximate mass (kg)	6.16·10¹¹
Number of observations	685
Arc length (days)	10187

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	231.984079
a – orbit major semiaxis (astronomical units)	1.17990000
e – orbit eccentricity	0.60684700
ω – orbit ascending node-perihelion angle (degrees)	3.062674
Ω – longitude of orbit ascending node (degrees)	37.085246
i – orbit inclination to the ecliptic plane (degrees)	12.895269

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	150.922288	1.17977841	0.60690087	1.886754	38.034331	12.948484	0.46376987	1.281449
01/21/1858	23.446469	1.17984800	0.60690170	2.055484	37.896327	12.939691	0.46379625	1.281562
01/29/1887	255.555640	1.17976366	0.60698380	2.223153	37.757406	12.934516	0.46366623	1.281425
02/07/1916	126.870076	1.17997744	0.60687857	2.408638	37.601415	12.924408	0.46387441	1.281773
02/14/1945	358.085681	1.18003197	0.60685130	2.566419	37.471492	12.918312	0.46392803	1.281862
02/22/1974	228.624183	1.17990592	0.60683884	2.746618	37.331217	12.909092	0.46389317	1.281657
03/02/2003	98.946651	1.18002176	0.60682181	2.924953	37.189976	12.902102	0.46395882	1.281845
03/09/2032	329.831915	1.18007538	0.60683963	3.113549	37.056043	12.892799	0.46395887	1.281933
03/17/2061	200.853686	1.17991806	0.60690240	3.278868	36.917855	12.886322	0.46382295	1.281676
03/25/2090	72.413200	1.17986986	0.60704110	3.462347	36.768818	12.881656	0.46364036	1.281598
04/03/2119	304.544908	1.17972964	0.60698424	3.628846	36.635119	12.872683	0.46365234	1.281369
04/10/2148	176.779578	1.17982394	0.60702295	3.806397	36.481996	12.866383	0.46364373	1.281523
04/18/2177	49.579289	1.17980091	0.60699129	3.976916	36.343110	12.857201	0.46367203	1.281486

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