Asteroid General Data

2018 AB₄

General information

Preliminary designation	2018 AB₄
Group	Amor
Absolute magnitude	25.57
Approximate diameter (m)	20
Approximate mass (kg)	1.56·10⁷
Number of observations	26
Arc length (days)	12

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	24.665404
a – orbit major semiaxis (astronomical units)	1.27423400
e – orbit eccentricity	0.14020200
ω – orbit ascending node-perihelion angle (degrees)	349.617045
Ω – longitude of orbit ascending node (degrees)	106.131495
i – orbit inclination to the ecliptic plane (degrees)	3.434240

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	230.309961	1.27357329	0.14057493	347.220429	107.197863	3.419620	1.09454081	1.437264
01/21/1858	296.511168	1.27405244	0.14085022	347.697271	107.013899	3.422946	1.09460187	1.438075
01/29/1887	0.605824	1.27439855	0.14081401	347.910684	106.862631	3.425625	1.09494538	1.438661
02/07/1916	63.756308	1.27410132	0.14039018	348.351074	106.704430	3.426623	1.09523001	1.438158
02/14/1945	127.984745	1.27406830	0.14034507	348.631091	106.564515	3.428707	1.09525910	1.438102
02/22/1974	191.247413	1.27419685	0.14031465	349.016948	106.400864	3.431350	1.09540836	1.438320
03/02/2003	253.107508	1.27427313	0.14023347	349.296477	106.254770	3.433127	1.09557738	1.438449
03/09/2032	314.936142	1.27426353	0.14024358	349.682698	106.092352	3.434551	1.09555626	1.438433
03/17/2061	16.813290	1.27436609	0.14022048	349.960298	105.953288	3.436141	1.09567386	1.438606
03/25/2090	78.338302	1.27434842	0.14028103	350.276111	105.797537	3.436967	1.09558151	1.438576
04/03/2119	141.574713	1.27416828	0.14007391	350.649479	105.658716	3.437828	1.09569055	1.438271
04/10/2148	204.708099	1.27442893	0.14055851	351.095934	105.488506	3.440213	1.09529709	1.438713
04/18/2177	267.880817	1.27416445	0.14043261	351.348930	105.350624	3.440759	1.09523021	1.438265

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