Asteroid General Data

2021 BT

General information

Preliminary designation	2021 BT
Group	Apollo
Absolute magnitude	23.37
Approximate diameter (m)	56
Approximate mass (kg)	3.27·10⁸
Number of observations	59
Arc length (days)	25

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	193.734672
a – orbit major semiaxis (astronomical units)	2.33431400
e – orbit eccentricity	0.63193000
ω – orbit ascending node-perihelion angle (degrees)	82.731197
Ω – longitude of orbit ascending node (degrees)	107.386156
i – orbit inclination to the ecliptic plane (degrees)	5.581492

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	302.617434	2.31492016	0.64299581	64.243239	123.251425	5.992888	0.82643619	3.522124
01/21/1858	22.970985	2.31699446	0.64203060	65.996866	121.724708	5.937552	0.82941312	3.526859
01/29/1887	98.727272	2.32696921	0.63681950	68.419900	119.663221	5.856409	0.84510984	3.549658
02/07/1916	165.767144	2.33216700	0.63789927	69.882179	118.407501	5.793983	0.84447937	3.561558
02/14/1945	225.508181	2.32940343	0.63632563	72.087751	116.382259	5.759908	0.84714432	3.555230
02/22/1974	281.144756	2.32735256	0.63641693	75.521322	113.488273	5.690541	0.84618598	3.550536
03/02/2003	334.906063	2.32864067	0.63559991	79.165054	110.399876	5.633763	0.84855687	3.553484
03/09/2032	26.239653	2.33526151	0.63175456	82.838103	107.329049	5.581218	0.85994940	3.568649
03/17/2061	76.841291	2.33821397	0.62954658	86.398640	104.236345	5.560668	0.86619936	3.575419
03/25/2090	124.756600	2.33561133	0.63147807	86.889836	103.716879	5.567199	0.86072400	3.569451
04/03/2119	161.173535	2.33775707	0.62967248	90.056979	101.026140	5.559060	0.86573577	3.574371
04/10/2148	190.370805	2.34099816	0.62860886	92.683542	98.798784	5.558115	0.86942598	3.581807
04/18/2177	222.441400	2.34354985	0.62894452	94.854780	96.792469	5.557431	0.86958702	3.587665

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