Asteroid General Data

2015 DU₁₉₈

General information

Preliminary designation	2015 DU₁₉₈
Group	Apollo
Absolute magnitude	25.63
Approximate diameter (m)	20
Approximate mass (kg)	1.44·10⁷
Number of observations	22
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	45.809945
a – orbit major semiaxis (astronomical units)	1.97797600
e – orbit eccentricity	0.49719000
ω – orbit ascending node-perihelion angle (degrees)	25.783718
Ω – longitude of orbit ascending node (degrees)	161.118480
i – orbit inclination to the ecliptic plane (degrees)	4.076974

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	64.714016	1.97950910	0.49562102	22.127867	163.037348	4.097580	0.99842279	2.785075
01/21/1858	215.732361	1.98071103	0.49756863	22.603652	162.761405	4.099104	0.99517135	2.787612
01/29/1887	1.921900	1.98080279	0.49745384	23.237415	162.520200	4.098656	0.99544484	2.787805
02/07/1916	154.888604	1.98002891	0.49590188	23.539324	162.305476	4.102259	0.99812885	2.786172
02/14/1945	306.538535	1.97783215	0.49767640	24.055986	162.059100	4.105746	0.99351177	2.781536
02/22/1974	95.604594	1.98263028	0.49614726	24.857041	161.552082	4.073426	0.99895370	2.791664
03/02/2003	245.475592	1.98185574	0.49678854	25.226110	161.292921	4.075009	0.99729252	2.790029
03/09/2032	35.003104	1.97766364	0.49688163	25.850048	161.098793	4.076202	0.99499890	2.781181
03/17/2061	186.603430	1.97936756	0.49619788	26.547745	160.705563	4.067052	0.99720957	2.784776
03/25/2090	337.055971	1.98083057	0.49755834	26.870648	160.421216	4.066370	0.99525180	2.787864
04/03/2119	122.980370	1.97976832	0.49826658	27.492123	160.186560	4.067240	0.99331592	2.785622
04/10/2148	277.257894	1.97745388	0.49512901	28.061777	159.843589	4.042970	0.99835909	2.780739
04/18/2177	73.085775	1.97727855	0.49792497	28.554980	159.500752	4.039256	0.99274219	2.780369

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