Asteroid General Data

2021 CY₄

General information

Preliminary designation	2021 CY₄
Group	Apollo
Absolute magnitude	23.54
Approximate diameter (m)	52
Approximate mass (kg)	2.58·10⁸
Number of observations	42
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	6.547478
a – orbit major semiaxis (astronomical units)	1.94220500
e – orbit eccentricity	0.67635600
ω – orbit ascending node-perihelion angle (degrees)	269.965103
Ω – longitude of orbit ascending node (degrees)	318.830332
i – orbit inclination to the ecliptic plane (degrees)	57.688890

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	344.323447	1.94243056	0.67756747	270.701090	320.237512	57.688425	0.62630281	2.707191
01/21/1858	243.694972	1.94238512	0.67715122	270.596855	320.022044	57.679224	0.62709667	2.707096
01/29/1887	144.372252	1.94200880	0.67709811	270.472093	319.831948	57.688488	0.62707831	2.706309
02/07/1916	46.108321	1.94184989	0.67665029	270.386451	319.631549	57.691760	0.62789660	2.705977
02/14/1945	309.181844	1.94132170	0.67672499	270.255926	319.416018	57.697379	0.62758078	2.704873
02/22/1974	211.944355	1.94113392	0.67650592	270.179061	319.206923	57.697717	0.62794534	2.704481
03/02/2003	113.796883	1.94190491	0.67640540	270.057614	318.993827	57.694227	0.62838995	2.706092
03/09/2032	14.909891	1.94219927	0.67658091	269.981448	318.776649	57.689146	0.62814433	2.706707
03/17/2061	275.091143	1.94237268	0.67625807	269.851056	318.575754	57.682354	0.62882748	2.707070
03/25/2090	174.572950	1.94255121	0.67652807	269.765900	318.366692	57.677570	0.62836079	2.707443
04/03/2119	74.360922	1.94226038	0.67631680	269.640294	318.167852	57.677769	0.62867705	2.706835
04/10/2148	334.607417	1.94211098	0.67642150	269.537963	317.951238	57.680524	0.62842536	2.706523
04/18/2177	236.357016	1.94158331	0.67610805	269.436430	317.733555	57.677367	0.62886321	2.705420

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