Asteroid General Data

2015 DD₁₉₈

General information

Preliminary designation	2015 DD₁₉₈
Group	Amor
Absolute magnitude	21.16
Approximate diameter (m)	160
Approximate mass (kg)	6.92·10⁹
Number of observations	170
Arc length (days)	3264

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	6.081844
a – orbit major semiaxis (astronomical units)	1.72690900
e – orbit eccentricity	0.40915000
ω – orbit ascending node-perihelion angle (degrees)	224.026685
Ω – longitude of orbit ascending node (degrees)	348.371940
i – orbit inclination to the ecliptic plane (degrees)	10.368093

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	314.849479	1.72603905	0.40811147	220.962882	350.449634	10.561409	1.02162272	2.267653
01/21/1858	239.933750	1.72624618	0.40773526	221.427888	350.124146	10.530323	1.02239475	2.268061
01/29/1887	166.821538	1.72597289	0.40848262	221.789431	349.882514	10.511379	1.02094296	2.267522
02/07/1916	93.682863	1.72622683	0.40809710	222.208171	349.580680	10.482079	1.02175867	2.268023
02/14/1945	18.970750	1.72652783	0.40894685	222.665062	349.260344	10.452801	1.02046971	2.268616
02/22/1974	304.511302	1.72657934	0.40852191	223.120120	348.968402	10.426024	1.02123384	2.268718
03/02/2003	230.329551	1.72623024	0.40901494	223.610210	348.638224	10.394273	1.02017629	2.268029
03/09/2032	154.679253	1.72663729	0.40927122	224.080456	348.345871	10.366157	1.01997435	2.268832
03/17/2061	80.774759	1.72627406	0.40904147	224.577740	348.012535	10.337281	1.02015638	2.268116
03/25/2090	6.568013	1.72648023	0.40980479	225.019727	347.724496	10.308703	1.01896037	2.268522
04/03/2119	291.624179	1.72699029	0.40961406	225.540694	347.370932	10.277302	1.01959079	2.269528
04/10/2148	217.390216	1.72610363	0.41002230	225.906532	347.107593	10.255477	1.01836265	2.267780
04/18/2177	143.389695	1.72732424	0.40977219	226.379105	346.779532	10.225061	1.01951481	2.270186

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