Asteroid General Data

2021 WT₄

General information

Preliminary designation	2021 WT₄
Group	Apollo
Absolute magnitude	26.66
Approximate diameter (m)	12
Approximate mass (kg)	3.47·10⁶
Number of observations	32
Arc length (days)	9

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	189.898620
a – orbit major semiaxis (astronomical units)	1.51681000
e – orbit eccentricity	0.35035400
ω – orbit ascending node-perihelion angle (degrees)	210.202594
Ω – longitude of orbit ascending node (degrees)	247.779489
i – orbit inclination to the ecliptic plane (degrees)	7.420355

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	303.185916	1.52343881	0.35239318	206.845960	249.642324	7.541624	0.98658936	1.880348
01/21/1858	114.883267	1.51818112	0.35033364	207.591495	249.331398	7.521159	0.98631120	1.870622
01/29/1887	300.852369	1.51810415	0.35034162	207.899068	249.119585	7.518738	0.98624908	1.870480
02/07/1916	125.476876	1.51640319	0.34984910	208.522736	248.799814	7.498917	0.98589090	1.867337
02/14/1945	316.981908	1.51822497	0.35055839	208.895074	248.522499	7.474389	0.98599847	1.870703
02/22/1974	143.796547	1.51756012	0.35059129	209.226342	248.335822	7.471556	0.98551677	1.869474
03/02/2003	330.578681	1.51610634	0.34995707	209.771376	248.042927	7.457338	0.98553421	1.866788
03/09/2032	165.080954	1.51699962	0.35046156	210.237525	247.757251	7.420819	0.98534957	1.868439
03/17/2061	355.750051	1.51767908	0.35089820	210.600292	247.509540	7.412329	0.98512823	1.869694
03/25/2090	187.132315	1.51704538	0.35065656	210.934779	247.313659	7.410500	0.98508347	1.868523
04/03/2119	11.665868	1.51772224	0.35090667	211.394731	246.964281	7.386126	0.98514338	1.869774
04/10/2148	196.556679	1.51845381	0.35131483	211.718390	246.747325	7.380702	0.98499846	1.871126
04/18/2177	19.036026	1.51828027	0.35120194	212.262563	246.420757	7.343031	0.98505729	1.870805

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