Asteroid General Data

2021 TD₁

General information

Preliminary designation	2021 TD₁
Group	Apollo
Absolute magnitude	25.96
Approximate diameter (m)	17
Approximate mass (kg)	9.12·10⁶
Number of observations	57
Arc length (days)	37

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	297.519734
a – orbit major semiaxis (astronomical units)	1.21720400
e – orbit eccentricity	0.35348800
ω – orbit ascending node-perihelion angle (degrees)	78.273565
Ω – longitude of orbit ascending node (degrees)	203.209606
i – orbit inclination to the ecliptic plane (degrees)	2.354459

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	256.491338	1.22861644	0.35581621	72.576613	207.551684	2.123652	0.79145480	1.361837
01/21/1858	66.412408	1.21856819	0.35366062	74.236114	206.927327	2.211733	0.78760861	1.345164
01/29/1887	275.843621	1.21836111	0.35358451	75.240939	205.954842	2.261711	0.78756749	1.344822
02/07/1916	139.609739	1.21669870	0.35317074	75.707761	205.600859	2.272924	0.78699632	1.342070
02/14/1945	4.023198	1.21424993	0.35257198	76.334916	205.332431	2.281146	0.78613943	1.338020
02/22/1974	243.845404	1.21462677	0.35269315	76.668850	204.756739	2.280965	0.78623622	1.338643
03/02/2003	109.280585	1.21659925	0.35349396	77.639706	204.110017	2.300478	0.78653877	1.341905
03/09/2032	325.252351	1.21738818	0.35358625	78.295666	203.185585	2.354953	0.78693646	1.343211
03/17/2061	191.359500	1.21627624	0.35324276	78.776850	202.762002	2.358062	0.78663547	1.341371
03/25/2090	60.679086	1.21708342	0.35355186	79.193288	202.382444	2.367074	0.78678132	1.342707
04/03/2119	284.341380	1.21683264	0.35364785	79.470139	202.123939	2.369452	0.78650239	1.342292
04/10/2148	141.860252	1.21743249	0.35379077	79.901501	201.791002	2.375177	0.78671611	1.343284
04/18/2177	5.366263	1.21671478	0.35342695	80.228064	201.450384	2.382209	0.78669498	1.342097

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