Asteroid General Data

1998 XA₅ (439854)

General information

Preliminary designation	1998 XA₅
Number	439854
Group	Amor
Absolute magnitude	18.73
Approximate diameter (m)	480
Approximate mass (kg)	1.99·10¹¹
Number of observations	256
Arc length (days)	9679

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	75.384382
a – orbit major semiaxis (astronomical units)	1.55828700
e – orbit eccentricity	0.30716100
ω – orbit ascending node-perihelion angle (degrees)	211.316515
Ω – longitude of orbit ascending node (degrees)	274.151797
i – orbit inclination to the ecliptic plane (degrees)	31.757162

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	219.968335	1.55830587	0.30393250	209.892702	275.003343	31.854625	1.08468608	1.945269
01/21/1858	189.760609	1.55843345	0.30450256	210.130712	274.872382	31.837589	1.08388647	1.945508
01/29/1887	159.473056	1.55837352	0.30486471	210.307205	274.757047	31.825623	1.08328042	1.945396
02/07/1916	129.329737	1.55830666	0.30535124	210.555133	274.626236	31.807674	1.08247579	1.945271
02/14/1945	99.100558	1.55846563	0.30586031	210.747656	274.503739	31.795015	1.08179285	1.945568
02/22/1974	68.776905	1.55838168	0.30648525	210.956930	274.384114	31.783743	1.08076068	1.945411
03/02/2003	38.521267	1.55834695	0.30685005	211.160692	274.251429	31.769153	1.08016812	1.945346
03/09/2032	8.664898	1.55844281	0.30734390	211.319914	274.133130	31.759317	1.07946491	1.945525
03/17/2061	338.059843	1.55851614	0.30780694	211.562037	273.997683	31.739133	1.07879406	1.945663
03/25/2090	307.880623	1.55849414	0.30814828	211.751969	273.875363	31.725947	1.07824686	1.945622
04/03/2119	277.760250	1.55840046	0.30874600	211.979915	273.741770	31.709675	1.07725055	1.945446
04/10/2148	247.491884	1.55843050	0.30904905	212.183565	273.617316	31.694284	1.07679904	1.945502
04/18/2177	217.034283	1.55857434	0.30969888	212.393625	273.490280	31.675798	1.07588561	1.945772

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