Asteroid General Data

1999 YA (331509)

General information

Preliminary designation	1999 YA
Number	331509
Group	Amor
Absolute magnitude	18.23
Approximate diameter (m)	600
Approximate mass (kg)	3.96·10¹¹
Number of observations	465
Arc length (days)	9558

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	159.377055
a – orbit major semiaxis (astronomical units)	1.67674600
e – orbit eccentricity	0.33928400
ω – orbit ascending node-perihelion angle (degrees)	265.571404
Ω – longitude of orbit ascending node (degrees)	106.146847
i – orbit inclination to the ecliptic plane (degrees)	38.238980

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	153.889906	1.67704039	0.33844301	265.236778	107.225265	38.258500	1.10945779	2.171780
01/21/1858	283.838400	1.67729321	0.33847149	265.290678	107.065622	38.255878	1.10957728	2.172271
01/29/1887	53.863336	1.67713355	0.33877156	265.323126	106.909449	38.250321	1.10896840	2.171961
02/07/1916	184.073250	1.67728441	0.33880450	265.357026	106.750973	38.247448	1.10901291	2.172254
02/14/1945	314.095299	1.67711464	0.33904366	265.401733	106.595885	38.244861	1.10849956	2.171925
02/22/1974	84.306428	1.67688683	0.33888606	265.480320	106.435031	38.245135	1.10861325	2.171482
03/02/2003	215.849703	1.67677515	0.33919414	265.521780	106.277177	38.242362	1.10802285	2.171265
03/09/2032	347.241065	1.67684601	0.33903879	265.563363	106.110382	38.240524	1.10833016	2.171403
03/17/2061	118.519108	1.67684629	0.33940674	265.631164	105.955152	38.237853	1.10771336	2.171403
03/25/2090	249.835832	1.67697870	0.33940338	265.666597	105.786489	38.230989	1.10780646	2.171660
04/03/2119	21.321579	1.67683852	0.33963262	265.745250	105.631106	38.229677	1.10732945	2.171388
04/10/2148	152.767817	1.67688690	0.33979936	265.758689	105.476630	38.221022	1.10708181	2.171482
04/18/2177	284.049205	1.67684364	0.33991983	265.817336	105.312077	38.221800	1.10685123	2.171398

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