Asteroid General Data

2012 UN₁₅₈

General information

Preliminary designation	2012 UN₁₅₈
Group	Amor
Absolute magnitude	19.33
Approximate diameter (m)	360
Approximate mass (kg)	8.67·10¹⁰
Number of observations	29
Arc length (days)	1592

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	112.009984
a – orbit major semiaxis (astronomical units)	2.62341700
e – orbit eccentricity	0.55612400
ω – orbit ascending node-perihelion angle (degrees)	167.477994
Ω – longitude of orbit ascending node (degrees)	183.893850
i – orbit inclination to the ecliptic plane (degrees)	11.356269

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	259.513896	2.62318914	0.55704162	161.195480	187.829605	10.478334	1.16196361	4.248592
01/21/1858	202.681132	2.61383022	0.56293644	161.763992	187.290660	10.599900	1.14240994	4.225875
01/29/1887	146.691348	2.62165234	0.55679668	163.357046	186.532822	10.780709	1.16192501	4.244859
02/07/1916	90.209580	2.61260741	0.56253203	163.824557	186.022819	10.902711	1.14293206	4.222910
02/14/1945	33.971698	2.62267447	0.55632325	165.347945	185.348366	11.059483	1.16361969	4.247342
02/22/1974	334.781743	2.61344487	0.56228319	165.857894	184.840993	11.192833	1.14394875	4.224941
03/02/2003	276.808828	2.62266664	0.55482510	167.272228	184.250938	11.314124	1.16754537	4.247323
03/09/2032	217.736787	2.61163664	0.56104539	167.822363	183.730246	11.463393	1.14638994	4.220557
03/17/2061	160.688442	2.62272694	0.55333018	169.116602	183.227231	11.546153	1.17149296	4.247469
03/25/2090	100.194874	2.61299852	0.55994490	169.721456	182.709928	11.706984	1.14986332	4.223858
04/03/2119	41.669354	2.62631658	0.55214947	170.884327	182.276856	11.750181	1.17619729	4.256192
04/10/2148	337.977013	2.61458751	0.55942469	171.645638	181.733024	11.942536	1.15192269	4.227712
04/18/2177	277.785892	2.62926968	0.55125507	172.507723	181.377336	11.935616	1.17987143	4.263373

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