Asteroid General Data

2021 BC

General information

Preliminary designation	2021 BC
Group	Aten
Absolute magnitude	24.33
Approximate diameter (m)	36
Approximate mass (kg)	8.67·10⁷
Number of observations	57
Arc length (days)	16

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	42.949504
a – orbit major semiaxis (astronomical units)	0.70595000
e – orbit eccentricity	0.43500600
ω – orbit ascending node-perihelion angle (degrees)	345.995137
Ω – longitude of orbit ascending node (degrees)	300.484508
i – orbit inclination to the ecliptic plane (degrees)	21.280629

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	353.814399	0.70659346	0.43316223	345.464980	301.359004	21.376771	0.40052386	0.593957
01/21/1858	296.617930	0.70687931	0.43254927	345.537846	301.253266	21.393572	0.40111918	0.594317
01/29/1887	257.935477	0.70605939	0.43401252	345.730721	301.109743	21.360744	0.39962078	0.593284
02/07/1916	209.207564	0.70698820	0.43260225	345.660513	300.985074	21.373127	0.40114352	0.594455
02/14/1945	163.285397	0.70593147	0.43425356	345.895192	300.846258	21.344979	0.39937822	0.593123
02/22/1974	132.644685	0.70618835	0.43380436	345.977553	300.731561	21.357586	0.39984077	0.593446
03/02/2003	135.135359	0.70512746	0.43603491	346.140342	300.596865	21.289557	0.39766727	0.592110
03/09/2032	126.316153	0.70598915	0.43501228	346.008362	300.465555	21.278458	0.39887520	0.593195
03/17/2061	94.923742	0.70642419	0.43489078	345.901237	300.327895	21.239884	0.39920682	0.593744
03/25/2090	35.152251	0.70716854	0.43385273	345.851026	300.214557	21.243444	0.40036154	0.594682
04/03/2119	315.525261	0.70756045	0.43309328	345.929802	300.073987	21.263212	0.40112077	0.595177
04/10/2148	256.082356	0.70677184	0.43439529	346.083558	299.941874	21.230391	0.39975348	0.594182
04/18/2177	209.385649	0.70616304	0.43572126	346.225069	299.821666	21.185814	0.39847279	0.593414

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