Asteroid General Data

2021 TQ₂₁

General information

Preliminary designation	2021 TQ₂₁
Group	Apollo
Absolute magnitude	22.49
Approximate diameter (m)	84
Approximate mass (kg)	1.10·10⁹
Number of observations	180
Arc length (days)	1263

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	197.498588
a – orbit major semiaxis (astronomical units)	2.10069000
e – orbit eccentricity	0.54909200
ω – orbit ascending node-perihelion angle (degrees)	263.399016
Ω – longitude of orbit ascending node (degrees)	202.554502
i – orbit inclination to the ecliptic plane (degrees)	4.285745

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	269.802151	2.10277185	0.54807657	254.306540	210.107897	4.334922	0.95029187	3.049221
01/21/1858	90.691721	2.10620052	0.54495302	255.184402	209.169635	4.331705	0.95842018	3.056681
01/29/1887	271.581054	2.10396697	0.54752210	255.734279	208.685766	4.327900	0.95199855	3.051821
02/07/1916	100.168297	2.10070239	0.54891678	258.359666	206.734019	4.309148	0.94759161	3.044720
02/14/1945	287.739169	2.10421849	0.54546457	259.651457	205.668026	4.307288	0.95644185	3.052368
02/22/1974	109.979164	2.10376118	0.54574761	260.286192	204.954395	4.301534	0.95563853	3.051373
03/02/2003	294.662823	2.10142871	0.54878550	261.209560	204.210230	4.296569	0.94819509	3.046300
03/09/2032	124.688144	2.10232814	0.54889235	263.480770	202.490180	4.284184	0.94837631	3.048256
03/17/2061	308.452929	2.10479969	0.54456904	264.902442	201.253491	4.294301	0.95859093	3.053632
03/25/2090	129.505461	2.10558332	0.54520540	265.412522	200.650883	4.294553	0.95760793	3.055338
04/03/2119	315.654116	2.09993956	0.54946589	267.042677	199.417798	4.294353	0.94609441	3.043062
04/10/2148	145.408005	2.10045355	0.54699574	269.208197	197.753900	4.305955	0.95151441	3.044179
04/18/2177	329.752408	2.10497747	0.54331381	270.026340	196.919167	4.315332	0.96131414	3.054019

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