Asteroid General Data

2021 BA

General information

Preliminary designation	2021 BA
Group	Apollo
Absolute magnitude	26.00
Approximate diameter (m)	17
Approximate mass (kg)	8.63·10⁶
Number of observations	61
Arc length (days)	727

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	155.662108
a – orbit major semiaxis (astronomical units)	1.00437975
e – orbit eccentricity	0.23052269
ω – orbit ascending node-perihelion angle (degrees)	98.575236
Ω – longitude of orbit ascending node (degrees)	116.926595
i – orbit inclination to the ecliptic plane (degrees)	12.455473

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	51.590101	1.01150969	0.23778298	96.466434	118.610185	11.940771	0.77098990	1.017316
01/21/1858	230.165660	1.01363090	0.23805607	96.073928	118.314041	11.928495	0.77232991	1.020517
01/29/1887	22.952059	1.01381517	0.23814967	96.389506	118.150692	11.931423	0.77237542	1.020796
02/07/1916	359.016043	0.99423010	0.22991790	100.454241	117.936624	12.515442	0.76563880	0.991359
02/14/1945	92.944958	0.99479289	0.22978835	100.667302	117.802427	12.518122	0.76620107	0.992201
02/22/1974	184.721046	0.99438416	0.22982448	100.844259	117.669892	12.523222	0.76585034	0.991589
03/02/2003	280.434794	0.99514844	0.23015362	101.223474	117.420026	12.488167	0.76611142	0.992733
03/09/2032	313.731686	1.00468045	0.23049402	98.397660	116.846388	12.457479	0.77310762	1.007030
03/17/2061	249.059987	1.00520446	0.23109679	98.530370	116.429573	12.409547	0.77290493	1.007818
03/25/2090	178.834222	1.00477108	0.23130625	98.712573	116.309501	12.413209	0.77236124	1.007167
04/03/2119	111.868063	1.00479640	0.23136275	98.857683	116.186653	12.415637	0.77232394	1.007205
04/10/2148	40.438880	1.00520068	0.23116978	99.063366	116.064722	12.418075	0.77282866	1.007813
04/18/2177	55.925021	0.99468729	0.23171405	101.773934	115.786886	12.429281	0.76420427	0.992043

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