Asteroid General Data

2021 TF₁

General information

Preliminary designation	2021 TF₁
Group	Apollo
Absolute magnitude	25.88
Approximate diameter (m)	18
Approximate mass (kg)	1.02·10⁷
Number of observations	19
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	236.908449
a – orbit major semiaxis (astronomical units)	1.01224300
e – orbit eccentricity	0.24684000
ω – orbit ascending node-perihelion angle (degrees)	285.529406
Ω – longitude of orbit ascending node (degrees)	187.791091
i – orbit inclination to the ecliptic plane (degrees)	26.091407

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	319.853356	1.01378799	0.24461408	284.587905	188.614751	26.124030	0.76580118	1.020755
01/21/1858	113.586342	1.01389878	0.24459520	284.737236	188.511559	26.128364	0.76590401	1.020922
01/29/1887	266.332171	1.01410999	0.24541624	284.718087	188.381663	26.106672	0.76523093	1.021241
02/07/1916	55.740534	1.01384578	0.24528296	284.928011	188.274407	26.113940	0.76516668	1.020842
02/14/1945	218.190213	1.01328841	0.24596181	285.099210	188.136265	26.105831	0.76405816	1.020000
02/22/1974	23.722707	1.01257678	0.24624440	285.295122	188.009348	26.106089	0.76323542	1.018926
03/02/2003	197.570277	1.01243160	0.24627028	285.376491	187.900722	26.104468	0.76309979	1.018707
03/09/2032	12.647218	1.01234051	0.24709057	285.469533	187.758232	26.085151	0.76220072	1.018569
03/17/2061	189.437759	1.01227472	0.24699221	285.588392	187.659586	26.089577	0.76225075	1.018470
03/25/2090	1.516666	1.01307758	0.24732300	285.498134	187.522315	26.077089	0.76252019	1.019682
04/03/2119	168.538653	1.01307547	0.24727233	285.614475	187.422092	26.082668	0.76256994	1.019679
04/10/2148	337.171467	1.01299141	0.24812276	285.729935	187.283225	26.064514	0.76164519	1.019552
04/18/2177	147.376491	1.01306540	0.24805621	285.815602	187.187062	26.068949	0.76176824	1.019663

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