Asteroid General Data

2003 BA₂₁ (259221)

General information

Preliminary designation	2003 BA₂₁
Number	259221
Group	Apollo
Absolute magnitude	19.20
Approximate diameter (m)	380
Approximate mass (kg)	1.04·10¹¹
Number of observations	387
Arc length (days)	8776

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	256.696003
a – orbit major semiaxis (astronomical units)	1.10017600
e – orbit eccentricity	0.83332300
ω – orbit ascending node-perihelion angle (degrees)	18.154192
Ω – longitude of orbit ascending node (degrees)	308.860379
i – orbit inclination to the ecliptic plane (degrees)	23.707651

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	153.993736	1.10018967	0.83189492	17.243951	309.623152	24.105236	0.18494747	1.153990
01/21/1858	206.941997	1.10028280	0.83206909	17.376718	309.517521	24.047361	0.18477149	1.154136
01/29/1887	259.001492	1.10032519	0.83228009	17.519820	309.403449	23.981288	0.18454644	1.154203
02/07/1916	311.307323	1.10025262	0.83251559	17.642170	309.298191	23.927577	0.18427516	1.154089
02/14/1945	4.534904	1.10012829	0.83277298	17.781741	309.180935	23.867315	0.18397117	1.153893
02/22/1974	58.458476	1.10014090	0.83291732	17.914683	309.065441	23.813774	0.18381449	1.153913
03/02/2003	111.850120	1.10019014	0.83313027	18.043285	308.954186	23.756969	0.18358843	1.153990
03/09/2032	164.820431	1.10020466	0.83324716	18.187569	308.829986	23.685201	0.18346225	1.154013
03/17/2061	218.071571	1.10010664	0.83341178	18.314577	308.716577	23.627597	0.18326481	1.153859
03/25/2090	272.432286	1.10003011	0.83357273	18.464995	308.589011	23.556479	0.18307501	1.153739
04/03/2119	328.340645	1.09994258	0.83371060	18.600265	308.471782	23.497561	0.18290879	1.153601
04/10/2148	25.787152	1.09978089	0.83393828	18.747334	308.345482	23.431086	0.18263150	1.153347
04/18/2177	84.571471	1.09967465	0.83417946	18.876643	308.235887	23.376934	0.18234864	1.153180

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