Asteroid General Data

2018 TB₄

General information

Preliminary designation	2018 TB₄
Group	Amor
Absolute magnitude	18.84
Approximate diameter (m)	450
Approximate mass (kg)	1.71·10¹¹
Number of observations	79
Arc length (days)	2777

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	5.108407
a – orbit major semiaxis (astronomical units)	2.62618500
e – orbit eccentricity	0.53243500
ω – orbit ascending node-perihelion angle (degrees)	246.118241
Ω – longitude of orbit ascending node (degrees)	8.622351
i – orbit inclination to the ecliptic plane (degrees)	26.770577

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	283.882656	2.63357593	0.52228336	242.491136	13.483968	27.725590	1.25810304	4.273851
01/21/1858	205.040240	2.63330017	0.52208967	242.402933	13.166900	27.686031	1.25848135	4.273180
01/29/1887	130.217828	2.63716862	0.52340212	243.563148	12.071306	27.436621	1.25686897	4.282599
02/07/1916	51.604416	2.63649540	0.52429138	243.527101	11.846909	27.426824	1.25420358	4.280960
02/14/1945	336.913648	2.63835992	0.52520236	244.512297	10.716398	27.186501	1.25268707	4.285502
02/22/1974	259.872149	2.63177132	0.52926133	244.587029	10.390458	27.159592	1.23887652	4.269459
03/02/2003	182.247982	2.63687648	0.52781953	245.587425	9.341101	26.935798	1.24508158	4.281888
03/09/2032	105.783214	2.62918027	0.53428729	246.145410	8.593410	26.814290	1.22444267	4.263155
03/17/2061	27.793356	2.63618848	0.53091927	246.616451	7.917443	26.704438	1.23658522	4.280212
03/25/2090	312.385236	2.63304826	0.53503902	247.694241	6.807539	26.508428	1.22426470	4.272567
04/03/2119	233.122439	2.63408537	0.53415595	247.682358	6.430040	26.463568	1.22707300	4.275091
04/10/2148	157.742319	2.63702607	0.53527687	248.910570	5.217752	26.250653	1.22548701	4.282252
04/18/2177	78.706839	2.63690775	0.53599553	248.868152	4.985185	26.238337	1.22353699	4.281964

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