Asteroid General Data

2015 DT₁₉₈

General information

Preliminary designation	2015 DT₁₉₈
Group	Apollo
Absolute magnitude	23.81
Approximate diameter (m)	46
Approximate mass (kg)	1.78·10⁸
Number of observations	15
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	354.962597
a – orbit major semiaxis (astronomical units)	2.48695100
e – orbit eccentricity	0.78986300
ω – orbit ascending node-perihelion angle (degrees)	141.500142
Ω – longitude of orbit ascending node (degrees)	277.010168
i – orbit inclination to the ecliptic plane (degrees)	2.778904

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	40.824580	2.50867325	0.77785982	135.784585	282.770257	2.550493	0.55727713	3.973441
01/21/1858	143.442087	2.51728548	0.77622808	136.371244	282.157634	2.557652	0.56329782	3.993920
01/29/1887	240.505456	2.51618854	0.77674992	136.960639	281.501418	2.580699	0.56173930	3.991309
02/07/1916	341.575648	2.51087617	0.77886741	137.789386	280.681513	2.614640	0.55523655	3.978676
02/14/1945	92.352859	2.50452963	0.78143206	138.699172	279.781432	2.656187	0.54740989	3.963600
02/22/1974	216.768118	2.49454050	0.78593764	140.048903	278.456266	2.710482	0.53398722	3.939911
03/02/2003	352.876667	2.48950670	0.78827279	140.888373	277.653684	2.752068	0.52709630	3.927992
03/09/2032	138.226666	2.48473491	0.79031518	141.627886	276.882151	2.787678	0.52101118	3.916704
03/17/2061	283.912115	2.48730028	0.79018343	142.149604	276.332208	2.807808	0.52187683	3.922771
03/25/2090	64.509720	2.49116628	0.78907689	142.732350	275.741573	2.816724	0.52544453	3.931920
04/03/2119	195.390704	2.49973748	0.78587161	143.246471	275.213185	2.830844	0.53526476	3.952230
04/10/2148	315.022005	2.50523036	0.78335435	143.697684	274.724378	2.843252	0.54274727	3.965264
04/18/2177	60.555588	2.51597413	0.78066781	144.224341	274.178842	2.850921	0.55183411	3.990799

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