Asteroid General Data

2018 AJ₁₂

General information

Preliminary designation	2018 AJ₁₂
Group	Apollo
Absolute magnitude	18.89
Approximate diameter (m)	440
Approximate mass (kg)	1.59·10¹¹
Number of observations	88
Arc length (days)	2790

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	158.406800
a – orbit major semiaxis (astronomical units)	2.37887400
e – orbit eccentricity	0.73760800
ω – orbit ascending node-perihelion angle (degrees)	286.190123
Ω – longitude of orbit ascending node (degrees)	96.305302
i – orbit inclination to the ecliptic plane (degrees)	11.514563

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	233.300259	2.38166494	0.73551817	269.032016	112.573334	11.127531	0.62990711	3.675544
01/21/1858	192.465921	2.37974810	0.73762719	272.753642	109.080051	11.147578	0.62438120	3.671107
01/29/1887	158.957813	2.38586379	0.73546492	274.135393	107.738767	11.126282	0.63114466	3.685268
02/07/1916	120.390904	2.37684983	0.73805202	277.254503	104.729649	11.220963	0.62261101	3.664403
02/14/1945	88.488187	2.38332807	0.73340476	278.725944	103.288742	11.239350	0.63538392	3.679394
02/22/1974	56.819831	2.38108468	0.73780756	281.686469	100.520327	11.325926	0.62430240	3.674201
03/02/2003	11.758239	2.38764826	0.73321637	284.873527	97.607695	11.440704	0.63698548	3.689403
03/09/2032	335.289635	2.38310603	0.73587197	286.344887	96.116263	11.519610	0.62944510	3.678880
03/17/2061	289.292087	2.38389487	0.73488013	289.876505	92.890326	11.714994	0.63201789	3.680707
03/25/2090	251.543162	2.38609179	0.73407399	291.029746	91.732748	11.783106	0.63452386	3.685796
04/03/2119	207.248535	2.38054566	0.73556473	294.349965	88.677175	12.032366	0.62950024	3.672953
04/10/2148	172.104168	2.38755533	0.73303595	295.622807	87.448578	12.099663	0.63739144	3.689188
04/18/2177	128.979527	2.38008467	0.73568570	298.212808	85.019762	12.365035	0.62909042	3.671886

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