Asteroid General Data

2021 SL₁

General information

Preliminary designation	2021 SL₁
Group	Amor
Absolute magnitude	25.38
Approximate diameter (m)	22
Approximate mass (kg)	2.03·10⁷
Number of observations	30
Arc length (days)	45

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	292.272197
a – orbit major semiaxis (astronomical units)	1.95901000
e – orbit eccentricity	0.46089100
ω – orbit ascending node-perihelion angle (degrees)	15.480030
Ω – longitude of orbit ascending node (degrees)	348.609998
i – orbit inclination to the ecliptic plane (degrees)	5.063215

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	269.162848	1.96158504	0.46117176	12.043214	350.562335	5.206156	1.05695742	2.747333
01/21/1858	115.216093	1.95859839	0.46070424	12.707862	350.252474	5.185442	1.05626382	2.741061
01/29/1887	325.959026	1.95839893	0.46067831	13.205160	349.989294	5.164744	1.05620703	2.740642
02/07/1916	176.284248	1.96065576	0.46090824	13.555511	349.724894	5.148362	1.05697336	2.745381
02/14/1945	21.516786	1.95951405	0.46170438	14.096720	349.421986	5.130161	1.05479783	2.742983
02/22/1974	231.393952	1.95834207	0.46110477	14.630871	349.135807	5.108174	1.05534120	2.740523
03/02/2003	82.153463	1.95964334	0.46064741	15.077380	348.885648	5.087569	1.05693871	2.743255
03/09/2032	288.457857	1.96131175	0.46146548	15.671454	348.543123	5.059189	1.05623409	2.746759
03/17/2061	138.037634	1.95820588	0.46097511	16.147980	348.248492	5.044958	1.05552171	2.740237
03/25/2090	349.141678	1.95878024	0.46073074	16.660872	347.957040	5.021820	1.05630996	2.741443
04/03/2119	197.342078	1.96122429	0.46196584	17.221712	347.668888	4.997105	1.05520567	2.746575
04/10/2148	44.681487	1.95837351	0.46186888	17.798101	347.361581	4.977157	1.05386173	2.740589
04/18/2177	255.960349	1.95886846	0.46113299	18.211751	347.072304	4.956506	1.05556960	2.741628

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