Asteroid General Data

1999 AF₄

General information

Preliminary designation	1999 AF₄
Group	Amor
Absolute magnitude	18.42
Approximate diameter (m)	550
Approximate mass (kg)	3.05·10¹¹
Number of observations	508
Arc length (days)	8977

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	294.982551
a – orbit major semiaxis (astronomical units)	2.84970100
e – orbit eccentricity	0.60778400
ω – orbit ascending node-perihelion angle (degrees)	155.769022
Ω – longitude of orbit ascending node (degrees)	294.218723
i – orbit inclination to the ecliptic plane (degrees)	12.675507

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	40.974615	2.84735961	0.61240510	148.117074	300.267654	11.390624	1.10362206	4.804676
01/21/1858	44.804260	2.86119206	0.60792422	148.723214	299.652608	11.449479	1.12180410	4.839730
01/29/1887	57.132615	2.84896247	0.61264524	149.648961	298.928172	11.609276	1.10355918	4.808733
02/07/1916	100.011842	2.79921884	0.62950088	152.376403	296.996407	12.238671	1.03710811	4.683342
02/14/1945	174.018323	2.78600729	0.63379518	153.077489	296.458730	12.399731	1.02024929	4.650225
02/22/1974	254.552562	2.80238737	0.62755065	153.736598	295.919517	12.472368	1.04374736	4.691296
03/02/2003	315.287702	2.82590481	0.61779151	154.802746	295.003055	12.574412	1.08008481	4.750474
03/09/2032	345.424093	2.84540669	0.60928659	155.793798	294.143184	12.700589	1.11173856	4.799734
03/17/2061	353.765540	2.85186990	0.60638379	156.367802	293.637696	12.772066	1.12254222	4.816096
03/25/2090	0.441524	2.84737110	0.60775208	156.923879	293.170573	12.878846	1.11687540	4.804705
04/03/2119	25.739357	2.82853912	0.61444900	158.019174	292.396147	13.150216	1.09054609	4.757118
04/10/2148	81.749240	2.80746843	0.62229644	159.401075	291.497685	13.467048	1.06039083	4.704061
04/18/2177	160.991099	2.78632799	0.62951770	160.211394	290.898384	13.711316	1.03228520	4.651028

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