Asteroid General Data

2013 US₄

General information

Preliminary designation	2013 US₄
Group	Apollo
Absolute magnitude	26.24
Approximate diameter (m)	15
Approximate mass (kg)	6.19·10⁶
Number of observations	40
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	282.226110
a – orbit major semiaxis (astronomical units)	1.07480000
e – orbit eccentricity	0.08184500
ω – orbit ascending node-perihelion angle (degrees)	279.735893
Ω – longitude of orbit ascending node (degrees)	29.588822
i – orbit inclination to the ecliptic plane (degrees)	10.017597

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	121.069014	1.07460993	0.08226132	278.155364	31.624585	10.037534	0.98621110	1.113979
01/21/1858	141.074728	1.07518022	0.08240513	278.375437	31.289751	10.038680	0.98657985	1.114866
01/29/1887	158.297906	1.07468633	0.08213809	278.697825	30.951814	10.038333	0.98641365	1.114098
02/07/1916	173.110088	1.07403974	0.08206874	279.048527	30.722030	10.029358	0.98589465	1.113092
02/14/1945	195.645190	1.07476295	0.08209279	279.047899	30.431116	10.035461	0.98653266	1.114217
02/22/1974	214.766053	1.07402353	0.08209310	279.170204	30.178010	10.021655	0.98585361	1.113067
03/02/2003	228.864540	1.07490918	0.08205301	279.551430	29.920376	10.033049	0.98670964	1.114444
03/09/2032	249.953089	1.07491968	0.08189461	279.754946	29.580308	10.033945	0.98688955	1.114460
03/17/2061	271.285661	1.07393891	0.08179790	279.752877	29.304166	10.021156	0.98609296	1.112935
03/25/2090	286.153860	1.07492027	0.08173876	280.176154	29.050432	10.032485	0.98705761	1.114461
04/03/2119	308.195767	1.07491715	0.08158549	280.332898	28.699375	10.033601	0.98721951	1.114456
04/10/2148	328.758354	1.07391967	0.08148237	280.466474	28.426990	10.020423	0.98641415	1.112906
04/18/2177	346.294197	1.07488876	0.08140194	280.750669	28.161614	10.033287	0.98739073	1.114412

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