Asteroid General Data

2011 SB₁₆ (621911)

General information

Preliminary designation	2011 SB₁₆
Number	621911
Group	Apollo
Absolute magnitude	18.83
Approximate diameter (m)	460
Approximate mass (kg)	1.73·10¹¹
Number of observations	111
Arc length (days)	4411

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	233.244463
a – orbit major semiaxis (astronomical units)	2.52715000
e – orbit eccentricity	0.79984800
ω – orbit ascending node-perihelion angle (degrees)	177.711246
Ω – longitude of orbit ascending node (degrees)	311.589776
i – orbit inclination to the ecliptic plane (degrees)	6.885154

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	87.004409	2.53367839	0.79649056	175.225942	312.706384	6.896013	0.51562747	4.032996
01/21/1858	179.349171	2.50172628	0.80691885	175.828811	312.412044	7.032464	0.48303620	3.956948
01/29/1887	317.725117	2.47908120	0.81474939	176.419118	312.120696	7.131590	0.45925131	3.903343
02/07/1916	132.175694	2.46149798	0.82040738	176.714431	311.958550	7.225114	0.44206687	3.861889
02/14/1945	317.759166	2.46284334	0.82072586	176.807297	311.914321	7.229356	0.44152413	3.865056
02/22/1974	132.231064	2.47841573	0.81633425	177.019111	311.888960	7.158461	0.45520007	3.901772
03/02/2003	269.502188	2.50544814	0.80720682	177.401752	311.701030	6.999672	0.48303331	3.965781
03/09/2032	4.234297	2.52695940	0.79950541	177.707570	311.584160	6.877499	0.50664170	4.016965
03/17/2061	72.132904	2.54057923	0.79537559	177.879841	311.496871	6.812675	0.51986452	4.049484
03/25/2090	134.984724	2.53716045	0.79596304	177.960161	311.423104	6.821141	0.51767449	4.041313
04/03/2119	211.592479	2.51892977	0.80234751	178.277038	311.268034	6.903056	0.49787274	3.997833
04/10/2148	321.233743	2.49726381	0.80984778	178.819814	311.028405	6.977762	0.47486026	3.946365
04/18/2177	113.232534	2.46939694	0.81882244	179.315214	310.789985	7.087114	0.44739932	3.880494

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