Asteroid General Data

1997 AQ₁₈ (136793)

General information

Preliminary designation	1997 AQ₁₈
Number	136793
Group	Apollo
Absolute magnitude	18.35
Approximate diameter (m)	570
Approximate mass (kg)	3.36·10¹¹
Number of observations	640
Arc length (days)	9881

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	154.085724
a – orbit major semiaxis (astronomical units)	1.14709900
e – orbit eccentricity	0.46543800
ω – orbit ascending node-perihelion angle (degrees)	37.040921
Ω – longitude of orbit ascending node (degrees)	296.241650
i – orbit inclination to the ecliptic plane (degrees)	17.373497

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	273.958237	1.14936298	0.46525898	35.935443	297.216281	17.448161	0.61461154	1.232215
01/21/1858	112.185132	1.14919814	0.46535378	36.093087	297.074295	17.437549	0.61441444	1.231950
01/29/1887	314.360797	1.14885211	0.46533521	36.275090	296.922870	17.424694	0.61425077	1.231393
02/07/1916	161.558440	1.14838657	0.46534545	36.422994	296.791002	17.414157	0.61399011	1.230645
02/14/1945	13.662955	1.14788788	0.46539041	36.601547	296.647818	17.403113	0.61367187	1.229843
02/22/1974	231.433726	1.14737563	0.46528057	36.756676	296.501590	17.393627	0.61352405	1.229020
03/02/2003	94.246167	1.14707059	0.46531382	36.902370	296.364453	17.383241	0.61332279	1.228530
03/09/2032	318.505981	1.14717361	0.46545072	37.071286	296.210077	17.369060	0.61322083	1.228696
03/17/2061	175.018659	1.14832423	0.46586242	37.268621	296.039552	17.358459	0.61336312	1.230545
03/25/2090	18.836072	1.14926333	0.46617677	37.485974	295.860822	17.344805	0.61350346	1.232055
04/03/2119	216.729575	1.14941449	0.46632557	37.649498	295.719987	17.332149	0.61341312	1.232298
04/10/2148	57.380926	1.14892225	0.46636566	37.818260	295.572380	17.318538	0.61310437	1.231506
04/18/2177	263.407960	1.14848776	0.46631792	37.981964	295.427709	17.309695	0.61292733	1.230808

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