Asteroid General Data

2021 CS₉

General information

Preliminary designation	2021 CS₉
Group	Aten
Absolute magnitude	24.28
Approximate diameter (m)	37
Approximate mass (kg)	9.29·10⁷
Number of observations	41
Arc length (days)	28

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	353.979374
a – orbit major semiaxis (astronomical units)	0.98238934
e – orbit eccentricity	0.18004749
ω – orbit ascending node-perihelion angle (degrees)	258.934510
Ω – longitude of orbit ascending node (degrees)	139.252081
i – orbit inclination to the ecliptic plane (degrees)	14.982259

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	135.265190	0.98734071	0.17310840	260.361677	140.701521	15.204521	0.81642375	0.981073
01/21/1858	339.236753	0.98752760	0.17324396	260.570115	140.587884	15.205423	0.81644441	0.981351
01/29/1887	113.737271	0.99430611	0.17303288	262.329016	140.110869	15.178504	0.82225846	0.991473
02/07/1916	220.471313	0.99389761	0.17298261	262.715038	139.983532	15.186180	0.82197061	0.990862
02/14/1945	321.292042	0.99404695	0.17303708	262.794561	139.882996	15.187952	0.82203997	0.991085
02/22/1974	67.984114	0.99374219	0.17305306	263.057287	139.772553	15.191147	0.82177206	0.990629
03/02/2003	296.399186	0.98325874	0.18021593	259.076584	139.455569	14.974486	0.80605986	0.974995
03/09/2032	218.610657	0.98235471	0.18010824	259.029313	139.223262	14.981919	0.80542453	0.973651
03/17/2061	150.306945	0.98153372	0.18020466	258.749423	139.038399	14.981444	0.80465676	0.972430
03/25/2090	97.943138	0.98125771	0.18010461	258.975940	138.895934	14.992324	0.80452867	0.972020
04/03/2119	52.425580	0.98070950	0.17992076	258.965051	138.677251	15.001077	0.80425950	0.971206
04/10/2148	11.924395	0.98053820	0.17986829	258.990534	138.476832	15.008460	0.80417047	0.970951
04/18/2177	4.186104	0.97737975	0.18033431	258.252591	138.245387	15.005462	0.80112465	0.966264

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