Asteroid General Data

2021 CW₄

General information

Preliminary designation	2021 CW₄
Group	Apollo
Absolute magnitude	19.66
Approximate diameter (m)	310
Approximate mass (kg)	5.49·10¹⁰
Number of observations	245
Arc length (days)	2610

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	164.140057
a – orbit major semiaxis (astronomical units)	1.75665300
e – orbit eccentricity	0.54015900
ω – orbit ascending node-perihelion angle (degrees)	225.106289
Ω – longitude of orbit ascending node (degrees)	204.772347
i – orbit inclination to the ecliptic plane (degrees)	6.938328

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	187.412248	1.75641764	0.53987163	221.837823	207.238800	7.011718	0.80817758	2.327782
01/21/1858	357.633117	1.75570086	0.54062095	222.266322	206.930762	7.000295	0.80653219	2.326357
01/29/1887	167.944736	1.75605968	0.54063167	222.663087	206.635622	6.989923	0.80667821	2.327070
02/07/1916	334.783918	1.75695944	0.53992684	223.289071	206.123078	6.969203	0.80832988	2.328859
02/14/1945	141.297904	1.75738832	0.54003906	223.731110	205.771479	6.954257	0.80832998	2.329712
02/22/1974	308.833032	1.75575548	0.54014128	224.302986	205.359077	6.959336	0.80739947	2.326466
03/02/2003	120.842790	1.75528654	0.54036025	224.664866	205.092609	6.950838	0.80679947	2.325534
03/09/2032	291.300501	1.75670392	0.53970937	225.320097	204.616577	6.929591	0.80859435	2.328351
03/17/2061	99.344991	1.75598981	0.53984945	225.802114	204.228006	6.915357	0.80801968	2.326932
03/25/2090	267.959439	1.75513018	0.54059288	226.320333	203.850100	6.917836	0.80631930	2.325223
04/03/2119	82.136466	1.75476256	0.54032649	226.682629	203.545841	6.907686	0.80661786	2.324493
04/10/2148	254.467145	1.75548859	0.54025814	227.166537	203.158303	6.897719	0.80707159	2.325935
04/18/2177	64.827919	1.75689075	0.53975456	227.813146	202.613312	6.890518	0.80860096	2.328723

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