Asteroid General Data

2021 SW₁

General information

Preliminary designation	2021 SW₁
Group	Apollo
Absolute magnitude	29.72
Approximate diameter (m)	3
Approximate mass (kg)	5.06·10⁴
Number of observations	12
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	21.556189
a – orbit major semiaxis (astronomical units)	1.40623300
e – orbit eccentricity	0.39432800
ω – orbit ascending node-perihelion angle (degrees)	298.862094
Ω – longitude of orbit ascending node (degrees)	2.679720
i – orbit inclination to the ecliptic plane (degrees)	3.848439

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	330.183978	1.38049798	0.38664751	294.122521	5.169585	4.186257	0.84673188	1.622013
01/21/1858	291.207286	1.38045254	0.38659418	294.637105	4.748387	4.173311	0.84677762	1.621933
01/29/1887	259.384415	1.37721510	0.38571019	294.845752	4.466755	4.183778	0.84600919	1.616230
02/07/1916	239.175011	1.37798401	0.38589548	295.222044	4.185610	4.180349	0.84622621	1.617584
02/14/1945	221.986378	1.37728489	0.38581296	295.775549	3.703873	4.166356	0.84591054	1.616353
02/22/1974	209.861592	1.37631718	0.38545525	296.041457	3.366891	4.162414	0.84580849	1.614650
03/02/2003	204.342811	1.37581744	0.38532614	296.534099	2.974253	4.152705	0.84567902	1.613771
03/09/2032	112.644026	1.41488682	0.39638677	299.483361	2.625564	3.818871	0.85404440	1.682996
03/17/2061	200.239973	1.41445663	0.39634359	299.801489	2.341855	3.816687	0.85384581	1.682229
03/25/2090	287.659230	1.41469764	0.39629152	300.290601	1.954326	3.807330	0.85406496	1.682659
04/03/2119	354.597730	1.41840162	0.39731420	300.945024	1.549283	3.780255	0.85485051	1.689271
04/10/2148	55.192741	1.41990200	0.39788472	301.411685	1.279262	3.778243	0.85494468	1.691953
04/18/2177	105.690546	1.42151557	0.39858790	301.844246	1.023948	3.775549	0.85491667	1.694837

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