Asteroid General Data

2008 TB₄

General information

Preliminary designation	2008 TB₄
Group	Apollo
Absolute magnitude	20.98
Approximate diameter (m)	170
Approximate mass (kg)	8.87·10⁹
Number of observations	33
Arc length (days)	10

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	131.724945
a – orbit major semiaxis (astronomical units)	1.81660000
e – orbit eccentricity	0.44447400
ω – orbit ascending node-perihelion angle (degrees)	138.358065
Ω – longitude of orbit ascending node (degrees)	194.324245
i – orbit inclination to the ecliptic plane (degrees)	41.854027

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	221.994170	1.81612520	0.45336683	137.400143	195.394115	41.535449	0.99275428	2.447481
01/21/1858	169.780304	1.81630487	0.45205881	137.543596	195.245723	41.577312	0.99522826	2.447844
01/29/1887	117.222059	1.81619846	0.45090488	137.699503	195.069142	41.638215	0.99726572	2.447629
02/07/1916	64.860416	1.81609771	0.44962496	137.841171	194.917293	41.685616	0.99953485	2.447425
02/14/1945	12.974332	1.81619806	0.44834075	137.992463	194.751281	41.735878	1.00192246	2.447628
02/22/1974	320.796515	1.81619425	0.44714092	138.117886	194.597803	41.782428	1.00409949	2.447620
03/02/2003	269.140799	1.81590278	0.44566358	138.255075	194.437233	41.831919	1.00662105	2.447031
03/09/2032	216.892720	1.81652513	0.44439138	138.384724	194.288004	41.871375	1.00927703	2.448289
03/17/2061	164.553172	1.81601322	0.44306829	138.544858	194.131191	41.922331	1.01139535	2.447254
03/25/2090	112.783769	1.81645088	0.44144940	138.690795	193.982769	41.968256	1.01457973	2.448139
04/03/2119	60.391093	1.81638196	0.44046449	138.841898	193.831564	42.015776	1.01633020	2.448000
04/10/2148	8.266478	1.81640078	0.43884859	139.003776	193.671875	42.073155	1.01927585	2.448038
04/18/2177	316.341942	1.81648118	0.43780152	139.142665	193.524953	42.112683	1.02122296	2.448200

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