Asteroid General Data

2021 TB₄

General information

Preliminary designation	2021 TB₄
Group	Apollo
Absolute magnitude	24.73
Approximate diameter (m)	30
Approximate mass (kg)	4.99·10⁷
Number of observations	50
Arc length (days)	27

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	11.438869
a – orbit major semiaxis (astronomical units)	1.84628900
e – orbit eccentricity	0.63984500
ω – orbit ascending node-perihelion angle (degrees)	97.976618
Ω – longitude of orbit ascending node (degrees)	187.118600
i – orbit inclination to the ecliptic plane (degrees)	10.977560

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	126.211978	1.84760111	0.63873714	91.549462	192.947609	10.903336	0.66746966	2.511383
01/21/1858	325.589998	1.84780412	0.63878919	92.186653	192.338820	10.909142	0.66744682	2.511797
01/29/1887	165.632986	1.84756361	0.63848811	93.349850	191.315590	10.910513	0.66791621	2.511306
02/07/1916	5.156717	1.84755397	0.63902702	94.348882	190.434403	10.919364	0.66691706	2.511287
02/14/1945	203.477303	1.84810441	0.63970266	95.361463	189.522210	10.935302	0.66586711	2.512409
02/22/1974	39.558118	1.84869282	0.63896049	96.136888	188.819448	10.951027	0.66745115	2.513609
03/02/2003	237.830837	1.84926720	0.63900784	97.293796	187.787529	10.955581	0.66757095	2.514781
03/09/2032	76.789535	1.84739388	0.63995484	98.013979	187.079967	10.977170	0.66514523	2.510960
03/17/2061	274.836967	1.84774917	0.63991956	99.011265	186.186675	10.999817	0.66533833	2.511685
03/25/2090	114.950429	1.84767211	0.63908548	100.017838	185.312232	11.019339	0.66685170	2.511528
04/03/2119	315.679794	1.84693332	0.63966479	100.649998	184.673747	11.036276	0.66551511	2.510021
04/10/2148	154.123738	1.84869509	0.63945338	101.713902	183.731362	11.062797	0.66654076	2.513614
04/18/2177	349.278567	1.84892012	0.63927692	102.751742	182.869587	11.094326	0.66694817	2.514073

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