Asteroid General Data

2021 CS

General information

Preliminary designation	2021 CS
Group	Apollo
Absolute magnitude	23.97
Approximate diameter (m)	43
Approximate mass (kg)	1.43·10⁸
Number of observations	53
Arc length (days)	17

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	22.860506
a – orbit major semiaxis (astronomical units)	1.10008600
e – orbit eccentricity	0.16342300
ω – orbit ascending node-perihelion angle (degrees)	90.519182
Ω – longitude of orbit ascending node (degrees)	315.220725
i – orbit inclination to the ecliptic plane (degrees)	25.490585

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	278.380994	1.10048625	0.16370551	89.235706	316.008975	25.468580	0.92033059	1.154456
01/21/1858	327.448445	1.10055160	0.16360347	89.172309	315.894087	25.467928	0.92049754	1.154559
01/29/1887	16.988062	1.10067397	0.16337319	89.273322	315.779714	25.470738	0.92085335	1.154752
02/07/1916	65.789344	1.10059624	0.16328967	89.500558	315.665885	25.472468	0.92088024	1.154630
02/14/1945	117.501487	1.10004894	0.16340166	89.806728	315.552644	25.467281	0.92029911	1.153768
02/22/1974	174.156988	1.09962869	0.16359491	90.103485	315.431592	25.463112	0.91973503	1.153107
03/02/2003	233.891264	1.09957912	0.16351916	90.348417	315.317342	25.463364	0.91977687	1.153029
03/09/2032	293.082037	1.09965539	0.16324880	90.496242	315.197469	25.466877	0.92013797	1.153149
03/17/2061	353.359186	1.09966471	0.16315176	90.453437	315.081454	25.465822	0.92025248	1.153164
03/25/2090	51.103947	1.10007048	0.16345874	90.385763	314.962742	25.458053	0.92025435	1.153802
04/03/2119	105.046504	1.10034665	0.16380458	90.382228	314.844170	25.449136	0.92010482	1.154237
04/10/2148	155.056606	1.10054091	0.16392390	90.301100	314.731073	25.443540	0.92013595	1.154542
04/18/2177	204.009606	1.10057157	0.16372692	90.270776	314.614929	25.445572	0.92037838	1.154591

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