Asteroid General Data

2021 SA₂

General information

Preliminary designation	2021 SA₂
Group	Aten
Absolute magnitude	26.15
Approximate diameter (m)	16
Approximate mass (kg)	7.01·10⁶
Number of observations	15
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	264.051515
a – orbit major semiaxis (astronomical units)	0.93651300
e – orbit eccentricity	0.36210700
ω – orbit ascending node-perihelion angle (degrees)	234.590108
Ω – longitude of orbit ascending node (degrees)	1.909847
i – orbit inclination to the ecliptic plane (degrees)	17.627605

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	328.721906	0.93876778	0.36396994	233.623086	3.110549	17.555186	0.59708453	0.909574
01/21/1858	305.688636	0.93839973	0.36365575	233.671326	2.911572	17.577692	0.59714527	0.909039
01/29/1887	283.953171	0.93765263	0.36327227	233.865209	2.750321	17.581724	0.59702943	0.907953
02/07/1916	269.551858	0.93731965	0.36248718	234.095533	2.562114	17.617734	0.59755329	0.907470
02/14/1945	262.155582	0.93741575	0.36267705	234.186023	2.405871	17.610153	0.59743657	0.907609
02/22/1974	268.849375	0.93598662	0.36198659	234.436085	2.220214	17.623118	0.59717202	0.905535
03/02/2003	276.705422	0.93677691	0.36208471	234.570967	2.045130	17.617548	0.59758431	0.906682
03/09/2032	278.841445	0.93657653	0.36219840	234.604795	1.882123	17.626984	0.59735001	0.906391
03/17/2061	278.559539	0.93720331	0.36188191	234.794711	1.711776	17.639829	0.59804639	0.907301
03/25/2090	289.663610	0.93592829	0.36130195	235.004042	1.526478	17.657501	0.59777557	0.905450
04/03/2119	313.112659	0.93492668	0.36123700	235.099970	1.352907	17.665877	0.59719657	0.903997
04/10/2148	350.832398	0.93532298	0.36145149	235.119632	1.182259	17.659199	0.59724910	0.904572
04/18/2177	12.791333	0.93623231	0.36158376	235.231628	1.019958	17.651808	0.59770591	0.905891

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