Asteroid General Data

2021 SG₁

General information

Preliminary designation	2021 SG₁
Group	Aten
Absolute magnitude	25.51
Approximate diameter (m)	21
Approximate mass (kg)	1.70·10⁷
Number of observations	20
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	185.892965
a – orbit major semiaxis (astronomical units)	0.96408000
e – orbit eccentricity	0.19891700
ω – orbit ascending node-perihelion angle (degrees)	65.424602
Ω – longitude of orbit ascending node (degrees)	180.152349
i – orbit inclination to the ecliptic plane (degrees)	9.596283

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	8.876040	0.96169550	0.20004698	63.101550	182.248545	9.477548	0.76931122	0.943098
01/21/1858	279.538147	0.96309496	0.19984798	63.583951	181.927640	9.493650	0.77062238	0.945158
01/29/1887	170.945764	0.96344028	0.19983491	63.882693	181.678789	9.498255	0.77091128	0.945666
02/07/1916	78.616540	0.96064546	0.20002446	63.424512	181.338539	9.531681	0.76849287	0.941554
02/14/1945	357.101027	0.96130247	0.19965470	63.931595	181.016368	9.552159	0.76937392	0.942520
02/22/1974	277.681912	0.96135436	0.20007581	63.977944	180.724882	9.560837	0.76901061	0.942597
03/02/2003	201.754333	0.96136329	0.19985575	64.503975	180.446476	9.569998	0.76922930	0.942610
03/09/2032	108.551679	0.96407309	0.19883936	65.513602	180.110275	9.595565	0.77237741	0.946598
03/17/2061	352.331918	0.96425716	0.19850870	65.873807	179.791490	9.606417	0.77284372	0.946869
03/25/2090	256.625759	0.96104920	0.19910044	65.080720	179.559852	9.634496	0.76970388	0.942148
04/03/2119	183.478487	0.96109975	0.19893242	65.318481	179.250805	9.643464	0.76990585	0.942222
04/10/2148	130.133063	0.95983321	0.19965610	65.076794	178.929582	9.647711	0.76819666	0.940360
04/18/2177	80.939597	0.96018851	0.19939086	65.471804	178.621733	9.659449	0.76873570	0.940882

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