Asteroid General Data

2018 AC₄

General information

Preliminary designation	2018 AC₄
Group	Apollo
Absolute magnitude	25.40
Approximate diameter (m)	22
Approximate mass (kg)	1.98·10⁷
Number of observations	33
Arc length (days)	2

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	24.476454
a – orbit major semiaxis (astronomical units)	1.28577000
e – orbit eccentricity	0.44914800
ω – orbit ascending node-perihelion angle (degrees)	87.038859
Ω – longitude of orbit ascending node (degrees)	293.920376
i – orbit inclination to the ecliptic plane (degrees)	24.055925

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	180.472894	1.28728079	0.45059674	85.870208	295.285493	23.978174	0.70723626	1.460530
01/21/1858	139.942219	1.28639797	0.45041385	86.089262	295.092493	23.986275	0.70698651	1.459028
01/29/1887	96.832889	1.28597850	0.45027102	86.294245	294.889674	23.997488	0.70693965	1.458314
02/07/1916	60.306080	1.28579847	0.45015020	86.457204	294.689636	23.999759	0.70699603	1.458008
02/14/1945	31.374666	1.28524351	0.44996761	86.678999	294.494663	24.008473	0.70692556	1.457064
02/22/1974	1.890532	1.28469620	0.44977294	86.866940	294.283134	24.011603	0.70687461	1.456134
03/02/2003	331.046851	1.28594172	0.44985907	87.010961	294.090824	24.010945	0.70744918	1.458252
03/09/2032	296.448113	1.28588160	0.44918028	87.086213	293.870992	24.055312	0.70828894	1.458150
03/17/2061	262.202033	1.28460239	0.44888026	87.309112	293.674669	24.067004	0.70796973	1.455974
03/25/2090	234.431886	1.28535102	0.44905869	87.492145	293.465809	24.061232	0.70815298	1.457247
04/03/2119	205.819275	1.28483020	0.44897055	87.662334	293.275590	24.062885	0.70797928	1.456362
04/10/2148	170.067598	1.28601511	0.44911149	87.795706	293.071798	24.060920	0.70845095	1.458377
04/18/2177	129.316616	1.28681291	0.44917962	87.961292	292.873039	24.064674	0.70880278	1.459734

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