Asteroid General Data

2021 CW₇

General information

Preliminary designation	2021 CW₇
Group	Apollo
Absolute magnitude	31.22
Approximate diameter (m)	2
Approximate mass (kg)	6.37·10³
Number of observations	32
Arc length (days)	2

Approaches

Date	Object	r, AU	r, km
02/14/2021 04:19:12 PM	Earth	0.000188	28 139

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	45.230287
a – orbit major semiaxis (astronomical units)	1.20401663
e – orbit eccentricity	0.26950973
ω – orbit ascending node-perihelion angle (degrees)	240.934725
Ω – longitude of orbit ascending node (degrees)	325.896399
i – orbit inclination to the ecliptic plane (degrees)	6.235651

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	297.464945	1.21734271	0.29208251	231.456244	338.377407	0.520963	0.86177820	1.343136
01/21/1858	154.344420	1.21758834	0.29224756	232.119407	337.473372	0.519170	0.86175111	1.343542
01/29/1887	83.210972	1.20280786	0.28724444	240.839799	330.437910	1.160322	0.85730799	1.319152
02/07/1916	82.878911	1.20214559	0.28710317	241.496906	329.817042	1.157418	0.85700578	1.318063
02/14/1945	95.227607	1.20098704	0.28685769	242.254538	328.931083	1.160724	0.85647467	1.316158
02/22/1974	94.583178	1.20351211	0.28755578	243.300553	327.991762	1.164166	0.85743525	1.320311
03/02/2003	89.202614	1.20040936	0.28643903	244.779561	327.033217	1.166952	0.85656527	1.315209
03/09/2032	97.378547	1.20392218	0.26953358	240.971240	325.873752	6.235170	0.87942472	1.320986
03/17/2061	86.404229	1.20208268	0.26886575	241.560415	325.520638	6.239667	0.87888382	1.317960
03/25/2090	94.052748	1.19959378	0.26814213	242.270562	325.216890	6.247191	0.87793215	1.313869
04/03/2119	123.651247	1.19995511	0.26830829	242.601212	324.907354	6.248791	0.87799721	1.314462
04/10/2148	210.032265	1.18817120	0.26456332	244.568436	324.516759	6.221005	0.87382468	1.295147
04/18/2177	353.180625	1.18876981	0.26486470	244.876656	324.261498	6.217502	0.87390665	1.296126

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