Asteroid General Data

2021 CP₄

General information

Preliminary designation	2021 CP₄
Group	Apollo
Absolute magnitude	21.79
Approximate diameter (m)	120
Approximate mass (kg)	2.90·10⁹
Number of observations	32
Arc length (days)	27

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	66.747416
a – orbit major semiaxis (astronomical units)	1.91313400
e – orbit eccentricity	0.68008900
ω – orbit ascending node-perihelion angle (degrees)	4.537549
Ω – longitude of orbit ascending node (degrees)	41.775904
i – orbit inclination to the ecliptic plane (degrees)	4.726366

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	166.691501	1.91258789	0.67958773	2.141172	43.328865	4.900175	0.61281662	2.645043
01/21/1858	155.620434	1.91324250	0.67915152	2.500743	43.085769	4.869692	0.61386095	2.646401
01/29/1887	144.056948	1.91382957	0.67929598	2.845164	42.860258	4.850300	0.61377284	2.647619
02/07/1916	133.721620	1.91240130	0.67997164	3.232959	42.624650	4.824091	0.61202264	2.644656
02/14/1945	123.329035	1.91229534	0.68006633	3.550488	42.425027	4.802423	0.61180766	2.644436
02/22/1974	113.526903	1.91268735	0.67958028	3.910838	42.174258	4.770757	0.61286274	2.645249
03/02/2003	103.706937	1.91295197	0.67994377	4.258204	41.934337	4.748616	0.61225219	2.645798
03/09/2032	91.139616	1.91307530	0.68000448	4.710556	41.720234	4.712366	0.61217552	2.646054
03/17/2061	78.612334	1.91281042	0.68000508	5.095094	41.462518	4.688026	0.61208961	2.645504
03/25/2090	67.787500	1.91042748	0.68045202	5.467750	41.210658	4.662632	0.61047324	2.640562
04/03/2119	61.549128	1.91071626	0.67993351	5.776779	40.992772	4.633286	0.61155625	2.641161
04/10/2148	52.079162	1.91243623	0.68004810	6.114388	40.739422	4.606214	0.61188761	2.644728
04/18/2177	37.773573	1.91424042	0.67924692	6.545643	40.493761	4.563984	0.61399852	2.648472

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