Asteroid General Data

2018 AA₄

General information

Preliminary designation	2018 AA₄
Group	Apollo
Absolute magnitude	25.86
Approximate diameter (m)	18
Approximate mass (kg)	1.05·10⁷
Number of observations	66
Arc length (days)	15

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	87.414542
a – orbit major semiaxis (astronomical units)	2.47604800
e – orbit eccentricity	0.61599900
ω – orbit ascending node-perihelion angle (degrees)	323.565310
Ω – longitude of orbit ascending node (degrees)	114.788676
i – orbit inclination to the ecliptic plane (degrees)	3.505451

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	358.225372	2.44703463	0.63384484	311.787438	123.123612	3.027107	0.89599435	3.827902
01/21/1858	198.307536	2.46140796	0.62466480	312.458891	122.428058	3.044631	0.92385304	3.861678
01/29/1887	6.921132	2.47726475	0.61291206	314.698238	120.928241	3.113581	0.95891931	3.899054
02/07/1916	159.209487	2.47024626	0.61345567	320.095945	117.402738	3.312570	0.95485967	3.882496
02/14/1945	343.759214	2.45263814	0.62294596	321.932780	116.215581	3.385881	0.92477713	3.841058
02/22/1974	199.149907	2.44011529	0.62846250	322.238235	115.755258	3.414981	0.90659433	3.811677
03/02/2003	53.953176	2.44796760	0.62502536	322.350719	115.489717	3.421041	0.91792577	3.830091
03/09/2032	231.438856	2.48825044	0.61106870	324.457631	114.259346	3.538321	0.96775848	3.925019
03/17/2061	3.453070	2.49724513	0.60063316	327.107631	112.846330	3.642738	0.99731689	3.946321
03/25/2090	113.267155	2.51709705	0.59132001	329.929141	111.440786	3.747247	1.02868720	3.993471
04/03/2119	184.926369	2.54426015	0.57359572	331.766088	110.548996	3.806375	1.08488343	4.058288
04/10/2148	231.103630	2.55364393	0.56725787	331.801208	110.395662	3.803743	1.10506931	4.080761
04/18/2177	269.091149	2.55275982	0.56880492	331.695713	110.211740	3.810449	1.10073748	4.078642

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