Asteroid General Data

2021 TB

General information

Preliminary designation	2021 TB
Group	Apollo
Absolute magnitude	22.89
Approximate diameter (m)	70
Approximate mass (kg)	6.34·10⁸
Number of observations	22
Arc length (days)	26

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	39.204565
a – orbit major semiaxis (astronomical units)	1.73302600
e – orbit eccentricity	0.51577900
ω – orbit ascending node-perihelion angle (degrees)	278.041067
Ω – longitude of orbit ascending node (degrees)	163.514272
i – orbit inclination to the ecliptic plane (degrees)	8.778911

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	182.941604	1.73337187	0.51614560	274.070678	166.738349	8.707636	0.83869961	2.282119
01/21/1858	79.934499	1.73402986	0.51594453	274.624387	166.276097	8.726495	0.83936664	2.283418
01/29/1887	336.451896	1.73354909	0.51579037	275.177990	165.815538	8.735679	0.83940116	2.282469
02/07/1916	234.034152	1.73352415	0.51580276	275.774037	165.319854	8.742503	0.83936761	2.282419
02/14/1945	131.112297	1.73392246	0.51592472	276.422761	164.845896	8.747234	0.83934901	2.283206
02/22/1974	27.144678	1.73351635	0.51543330	277.061766	164.319113	8.769501	0.84000429	2.282404
03/02/2003	285.287610	1.73334292	0.51555215	277.607789	163.885421	8.778347	0.83971424	2.282062
03/09/2032	183.124661	1.73383471	0.51584634	278.160174	163.420793	8.777814	0.83944243	2.283033
03/17/2061	79.681646	1.73350445	0.51570886	278.823393	162.936866	8.797469	0.83952085	2.282381
03/25/2090	337.976057	1.73315575	0.51608776	279.269965	162.515548	8.810255	0.83869528	2.281692
04/03/2119	234.440786	1.73354699	0.51554390	279.975478	161.957714	8.819176	0.83982742	2.282465
04/10/2148	132.035900	1.73330872	0.51554176	280.462172	161.571838	8.825141	0.83971570	2.281994
04/18/2177	28.497989	1.73362143	0.51513693	281.143735	161.030290	8.857365	0.84056901	2.282612

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