Asteroid General Data

2021 SB₂

General information

Preliminary designation	2021 SB₂
Group	Apollo
Absolute magnitude	26.55
Approximate diameter (m)	13
Approximate mass (kg)	4.04·10⁶
Number of observations	16
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	311.933437
a – orbit major semiaxis (astronomical units)	1.04437300
e – orbit eccentricity	0.21523600
ω – orbit ascending node-perihelion angle (degrees)	78.366566
Ω – longitude of orbit ascending node (degrees)	186.262127
i – orbit inclination to the ecliptic plane (degrees)	5.820502

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	342.802477	1.03896177	0.21693139	74.991619	188.911133	5.492804	0.81357836	1.059010
01/21/1858	140.514305	1.03850824	0.21681081	75.438047	188.559578	5.510287	0.81334842	1.058316
01/29/1887	279.036658	1.04048412	0.21666271	76.048724	188.224223	5.543544	0.81505001	1.061338
02/07/1916	47.413719	1.04104459	0.21661275	76.415200	187.868688	5.561286	0.81554105	1.062196
02/14/1945	145.655526	1.04252430	0.21655131	76.604439	187.496842	5.592305	0.81676429	1.064461
02/22/1974	232.820751	1.04213279	0.21613500	77.054953	187.100239	5.646231	0.81689142	1.063862
03/02/2003	302.578605	1.04471198	0.21554631	78.663119	186.623448	5.764313	0.81952817	1.067814
03/09/2032	358.882527	1.04445733	0.21528955	78.366345	186.246153	5.820909	0.81959658	1.067423
03/17/2061	58.328281	1.04550671	0.21518521	79.242614	185.871128	5.861641	0.82052912	1.069032
03/25/2090	132.535121	1.04253159	0.21463754	78.982675	185.517681	5.911717	0.81876517	1.064472
04/03/2119	227.862634	1.04056114	0.21431170	79.007596	185.153779	5.956173	0.81755671	1.061456
04/10/2148	354.189239	1.04032085	0.21428150	79.199607	184.935778	5.961049	0.81739934	1.061088
04/18/2177	105.184097	1.04243740	0.21417482	79.403683	184.575784	5.978551	0.81917356	1.064328

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