Asteroid General Data

2021 BT₁

General information

Preliminary designation	2021 BT₁
Group	Amor
Absolute magnitude	24.25
Approximate diameter (m)	38
Approximate mass (kg)	9.68·10⁷
Number of observations	17
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	221.290924
a – orbit major semiaxis (astronomical units)	1.66433400
e – orbit eccentricity	0.31524400
ω – orbit ascending node-perihelion angle (degrees)	16.178538
Ω – longitude of orbit ascending node (degrees)	117.258831
i – orbit inclination to the ecliptic plane (degrees)	27.417698

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	199.876175	1.66418084	0.31386656	14.270700	118.151769	27.478613	1.14185013	2.146848
01/21/1858	25.374401	1.66440092	0.31399769	14.557167	118.016246	27.467343	1.14178287	2.147274
01/29/1887	211.240745	1.66426974	0.31423917	14.827808	117.896556	27.460629	1.14129101	2.147020
02/07/1916	36.336743	1.66449178	0.31446872	15.172708	117.757301	27.447239	1.14106119	2.147450
02/14/1945	222.263122	1.66422321	0.31457116	15.395983	117.635274	27.441969	1.14070659	2.146930
02/22/1974	48.389801	1.66421453	0.31521148	15.661762	117.506044	27.440565	1.13963500	2.146914
03/02/2003	233.601404	1.66446228	0.31519170	15.937945	117.367852	27.426405	1.13983758	2.147393
03/09/2032	59.488333	1.66420608	0.31522466	16.174924	117.238328	27.418246	1.13960728	2.146897
03/17/2061	244.994417	1.66424029	0.31564461	16.498744	117.101272	27.407721	1.13893181	2.146963
03/25/2090	70.880560	1.66433829	0.31560725	16.747440	116.975141	27.396488	1.13906107	2.147153
04/03/2119	256.309930	1.66434411	0.31606638	17.053583	116.836673	27.384099	1.13830089	2.147164
04/10/2148	81.566052	1.66434461	0.31612945	17.326209	116.707863	27.374523	1.13819627	2.147165
04/18/2177	267.875561	1.66434785	0.31629741	17.591132	116.572430	27.362540	1.13791892	2.147172

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