Asteroid General Data

2021 BU

General information

Preliminary designation	2021 BU
Group	Apollo
Absolute magnitude	26.06
Approximate diameter (m)	16
Approximate mass (kg)	7.94·10⁶
Number of observations	14
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	184.536292
a – orbit major semiaxis (astronomical units)	1.74886500
e – orbit eccentricity	0.54970400
ω – orbit ascending node-perihelion angle (degrees)	302.189349
Ω – longitude of orbit ascending node (degrees)	98.530140
i – orbit inclination to the ecliptic plane (degrees)	5.955079

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	304.101130	1.74578364	0.54911589	298.955879	101.012613	5.912297	0.78714610	2.306674
01/21/1858	151.750414	1.74650881	0.54957700	299.393998	100.642955	5.918692	0.78666774	2.308111
01/29/1887	357.942650	1.74665570	0.54988527	299.775859	100.295824	5.926049	0.78619545	2.308403
02/07/1916	202.931867	1.74659206	0.54913974	300.290904	99.910452	5.941152	0.78746895	2.308277
02/14/1945	50.623193	1.74580919	0.54903940	300.691643	99.584052	5.951634	0.78729117	2.306725
02/22/1974	260.869728	1.74519305	0.54885678	301.142305	99.233241	5.966193	0.78733201	2.305504
03/02/2003	110.998670	1.74555116	0.54872109	301.652542	98.853449	5.973695	0.78773043	2.306213
03/09/2032	316.678188	1.74919696	0.54956555	302.300954	98.430503	5.958769	0.78789857	2.313442
03/17/2061	157.388266	1.74491986	0.54871856	302.684883	98.062655	5.955073	0.78744995	2.304962
03/25/2090	12.894093	1.74342741	0.54853089	303.314034	97.628934	5.973333	0.78710363	2.302006
04/03/2119	232.030529	1.74285984	0.54840987	303.704544	97.307475	5.981323	0.78705830	2.300882
04/10/2148	91.678502	1.74270223	0.54815613	304.176954	96.930860	5.990315	0.78742932	2.300570
04/18/2177	315.523232	1.74138218	0.54809658	304.732625	96.511339	6.003987	0.78693656	2.297956

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