Asteroid General Data

2015 KW₁₂₁

General information

Preliminary designation	2015 KW₁₂₁
Group	Apollo
Absolute magnitude	26.12
Approximate diameter (m)	16
Approximate mass (kg)	7.31·10⁶
Number of observations	31
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	71.636559
a – orbit major semiaxis (astronomical units)	1.15893200
e – orbit eccentricity	0.52216800
ω – orbit ascending node-perihelion angle (degrees)	251.444217
Ω – longitude of orbit ascending node (degrees)	241.995098
i – orbit inclination to the ecliptic plane (degrees)	28.331041

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	267.498709	1.17687487	0.52189556	251.449097	243.305770	28.425913	0.56266910	1.276721
01/21/1858	170.943594	1.17697776	0.52211191	251.626361	243.101625	28.410548	0.56246366	1.276889
01/29/1887	78.071013	1.17606104	0.52212015	251.679758	242.918153	28.420513	0.56201588	1.275397
02/07/1916	355.977050	1.17501084	0.52208394	251.877096	242.717018	28.408794	0.56155655	1.273689
02/14/1945	282.830291	1.17454422	0.52232049	251.969061	242.538517	28.400470	0.56105570	1.272930
02/22/1974	214.763189	1.17392715	0.52250796	252.090580	242.350355	28.388457	0.56054086	1.271927
03/02/2003	173.670969	1.17128160	0.52218324	252.361900	242.159468	28.382524	0.55965798	1.267630
03/09/2032	191.598347	1.16308812	0.52304490	251.736539	241.971006	28.350467	0.55474081	1.254352
03/17/2061	238.956994	1.16324339	0.52326558	251.881449	241.778977	28.336268	0.55455817	1.254604
03/25/2090	280.751827	1.16546635	0.52395468	251.841551	241.597000	28.322374	0.55481480	1.258202
04/03/2119	306.969563	1.16457705	0.52391961	252.027839	241.396778	28.314037	0.55443230	1.256762
04/10/2148	343.593189	1.16478566	0.52574211	251.918284	241.207277	28.189979	0.55240879	1.257099
04/18/2177	21.885997	1.16273835	0.52532058	252.119003	241.001769	28.198737	0.55192796	1.253787

Detailed table...

3D animation...

Calculation on the date...

Return to search