Asteroid General Data

2021 CK

General information

Preliminary designation	2021 CK
Group	Apollo
Absolute magnitude	24.38
Approximate diameter (m)	35
Approximate mass (kg)	8.09·10⁷
Number of observations	24
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	310.285636
a – orbit major semiaxis (astronomical units)	1.53260400
e – orbit eccentricity	0.57145800
ω – orbit ascending node-perihelion angle (degrees)	299.023334
Ω – longitude of orbit ascending node (degrees)	294.797889
i – orbit inclination to the ecliptic plane (degrees)	4.252052

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	158.326306	1.53105829	0.57135192	294.092721	299.156099	4.234215	0.65628520	1.894472
01/21/1858	276.721792	1.52947197	0.57141291	294.872159	298.466971	4.238355	0.65551193	1.891529
01/29/1887	36.844627	1.52994365	0.57102112	295.485965	297.868625	4.243553	0.65631352	1.892404
02/07/1916	157.715825	1.53101100	0.57148188	296.215526	297.214180	4.239999	0.65606596	1.894384
02/14/1945	272.845743	1.53060043	0.57122843	296.910091	296.622255	4.255032	0.65627795	1.893622
02/22/1974	33.161786	1.52966953	0.57083749	297.663942	295.932162	4.238969	0.65647682	1.891895
03/02/2003	155.852085	1.52920461	0.57098910	298.362298	295.301600	4.252313	0.65604544	1.891033
03/09/2032	269.198364	1.53261387	0.57154920	299.100652	294.744326	4.253371	0.65664964	1.897360
03/17/2061	3.472765	1.52860527	0.57057921	299.863869	293.917678	4.287674	0.65641488	1.889921
03/25/2090	128.717152	1.52982586	0.57108914	300.470906	293.405761	4.295476	0.65615892	1.892185
04/03/2119	256.390228	1.52741533	0.57058921	301.143592	292.765180	4.311786	0.65588863	1.887715
04/10/2148	31.632763	1.52721880	0.57048481	301.639962	292.296944	4.320955	0.65596368	1.887350
04/18/2177	168.065719	1.52678004	0.57058565	302.242901	291.754938	4.333859	0.65562126	1.886537

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