Asteroid General Data

2019 US₁₂

General information

Preliminary designation	2019 US₁₂
Group	Apollo
Absolute magnitude	19.99
Approximate diameter (m)	270
Approximate mass (kg)	3.48·10¹⁰
Number of observations	85
Arc length (days)	1414

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	316.198877
a – orbit major semiaxis (astronomical units)	1.72139400
e – orbit eccentricity	0.49449700
ω – orbit ascending node-perihelion angle (degrees)	166.317836
Ω – longitude of orbit ascending node (degrees)	351.668722
i – orbit inclination to the ecliptic plane (degrees)	11.242365

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	127.314952	1.72204181	0.49458081	163.973044	353.054002	11.212098	0.87035298	2.259780
01/21/1858	71.356699	1.72145062	0.49409551	164.318889	352.853001	11.216194	0.87088960	2.258616
01/29/1887	19.488598	1.72033888	0.49441687	164.676836	352.633923	11.226202	0.86977432	2.256429
02/07/1916	327.691958	1.72076718	0.49394263	165.111970	352.436662	11.224975	0.87080691	2.257271
02/14/1945	275.357156	1.72096775	0.49437348	165.382929	352.226780	11.234328	0.87016694	2.257666
02/22/1974	219.944603	1.72203183	0.49470380	165.773431	352.016959	11.239719	0.87013614	2.259760
03/02/2003	163.831056	1.72173639	0.49391975	166.030287	351.833328	11.235555	0.87133679	2.259179
03/09/2032	108.858342	1.72177239	0.49431094	166.362649	351.635462	11.240505	0.87068146	2.259250
03/17/2061	54.912613	1.72080072	0.49353939	166.744482	351.459642	11.239133	0.87151777	2.257337
03/25/2090	5.256315	1.72067749	0.49359948	167.032266	351.252934	11.244315	0.87135198	2.257095
04/03/2119	310.533454	1.72193753	0.49406570	167.444333	351.042192	11.244902	0.87118726	2.259575
04/10/2148	254.927014	1.72171995	0.49348274	167.738076	350.867684	11.244076	0.87208087	2.259146
04/18/2177	198.754016	1.72205594	0.49416509	168.054396	350.664479	11.251976	0.87107601	2.259808

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