Asteroid General Data

2012 CA₂₁

General information

Preliminary designation	2012 CA₂₁
Group	Apollo
Absolute magnitude	19.09
Approximate diameter (m)	400
Approximate mass (kg)	1.21·10¹¹
Number of observations	238
Arc length (days)	4913

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	126.063314
a – orbit major semiaxis (astronomical units)	2.66365700
e – orbit eccentricity	0.65633500
ω – orbit ascending node-perihelion angle (degrees)	35.886099
Ω – longitude of orbit ascending node (degrees)	127.876953
i – orbit inclination to the ecliptic plane (degrees)	28.662708

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	284.923145	2.66336106	0.62742994	30.131065	133.335198	31.807935	0.99228858	4.346560
01/21/1858	175.055858	2.66078717	0.63357196	31.088312	132.412103	31.255652	0.97498703	4.340261
01/29/1887	65.449010	2.65432642	0.64286793	32.219486	131.404140	30.655019	0.94794508	4.324462
02/07/1916	314.480105	2.65245840	0.64539870	32.462768	131.082303	30.522752	0.94056519	4.319898
02/14/1945	202.289173	2.66786869	0.64484217	33.639628	130.099121	29.783284	0.94751446	4.357599
02/22/1974	90.474842	2.65706582	0.65243234	34.179792	129.624277	29.657292	0.92351015	4.331159
03/02/2003	330.998861	2.66284393	0.65129476	34.718451	129.031982	29.267882	0.92854763	4.345294
03/09/2032	219.747159	2.66205052	0.65624728	35.926931	127.832556	28.649876	0.91508711	4.343352
03/17/2061	107.324601	2.65709202	0.66440610	37.131534	126.538027	27.985514	0.89170388	4.331223
03/25/2090	354.618445	2.66300677	0.66309000	37.362727	126.288460	27.843374	0.89719361	4.345693
04/03/2119	242.533874	2.66719935	0.66611829	38.821685	124.912895	27.089476	0.89052907	4.355959
04/10/2148	126.620047	2.65163246	0.67449401	39.474035	124.188394	26.905398	0.86312224	4.317880
04/18/2177	9.724698	2.66322163	0.67217798	40.233383	123.445747	26.505018	0.87306271	4.346219

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