Asteroid General Data

2021 TW₂

General information

Preliminary designation	2021 TW₂
Group	Apollo
Absolute magnitude	25.69
Approximate diameter (m)	19
Approximate mass (kg)	1.32·10⁷
Number of observations	56
Arc length (days)	108

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	162.714557
a – orbit major semiaxis (astronomical units)	1.26335900
e – orbit eccentricity	0.21411800
ω – orbit ascending node-perihelion angle (degrees)	13.594514
Ω – longitude of orbit ascending node (degrees)	18.093211
i – orbit inclination to the ecliptic plane (degrees)	4.126298

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	36.911037	1.27214912	0.21910101	8.352755	21.376270	4.037374	0.99341996	1.434854
01/21/1858	150.876727	1.26530365	0.21526229	9.345112	20.753444	4.114184	0.99293149	1.423288
01/29/1887	281.235270	1.26885114	0.21721360	10.013631	20.259821	4.076449	0.99323942	1.429278
02/07/1916	13.279014	1.27093772	0.21828118	10.478888	19.955865	4.061841	0.99351594	1.432805
02/14/1945	127.849388	1.26545235	0.21519359	11.392724	19.450875	4.100601	0.99313511	1.423539
02/22/1974	260.979336	1.26859594	0.21700180	11.964556	19.015194	4.071571	0.99330834	1.428847
03/02/2003	354.464790	1.27102976	0.21819184	12.488435	18.656863	4.052580	0.99370144	1.432960
03/09/2032	110.624299	1.26335586	0.21409740	13.666631	18.066484	4.125243	0.99287466	1.420003
03/17/2061	269.855159	1.26239612	0.21363813	14.014195	17.853124	4.125179	0.99270017	1.418385
03/25/2090	68.701197	1.26034784	0.21303235	15.648546	16.608515	4.094263	0.99185298	1.414934
04/03/2119	254.609089	1.26229786	0.21401524	16.248409	16.166423	4.073419	0.99214688	1.418219
04/10/2148	59.762331	1.26238272	0.21425010	16.489593	15.990478	4.069709	0.99191710	1.418362
04/18/2177	233.756466	1.26080975	0.21327333	17.066257	15.657172	4.064923	0.99191266	1.415712

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