Asteroid General Data

2021 KW

General information

Preliminary designation	2021 KW
Group	Apollo
Absolute magnitude	27.74
Approximate diameter (m)	8
Approximate mass (kg)	7.80·10⁵
Number of observations	22
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	169.995526
a – orbit major semiaxis (astronomical units)	1.63940500
e – orbit eccentricity	0.55042800
ω – orbit ascending node-perihelion angle (degrees)	227.478029
Ω – longitude of orbit ascending node (degrees)	90.829824
i – orbit inclination to the ecliptic plane (degrees)	0.454327

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	41.804975	1.65047576	0.55133466	232.859189	84.246820	0.319104	0.74051128	2.120383
01/21/1858	291.149238	1.64974818	0.55134606	229.993854	87.279044	0.329354	0.74016602	2.118981
01/29/1887	178.474792	1.65109254	0.55191444	225.414445	91.987366	0.347416	0.73983073	2.121572
02/07/1916	66.259000	1.65008227	0.55189389	224.940928	92.615337	0.350397	0.73941195	2.119625
02/14/1945	315.340332	1.64939989	0.55165115	224.211654	93.447016	0.353468	0.73950654	2.118310
02/22/1974	210.538076	1.64697694	0.55138744	224.381543	93.268769	0.358105	0.73885455	2.113644
03/02/2003	109.960931	1.64520856	0.55136146	223.296092	94.549758	0.364826	0.73810397	2.110241
03/09/2032	29.443805	1.63883872	0.55045196	227.354832	90.964877	0.454613	0.73673673	2.097997
03/17/2061	328.204520	1.63934081	0.55058374	225.426489	93.014184	0.468109	0.73674642	2.098962
03/25/2090	248.455637	1.64392170	0.55133937	227.860676	90.848345	0.484995	0.73756295	2.107766
04/03/2119	154.401644	1.64653265	0.55158211	227.608860	91.066656	0.502189	0.73833470	2.112789
04/10/2148	57.531656	1.64968911	0.55216910	227.633920	91.218639	0.513640	0.73878176	2.118867
04/18/2177	314.646527	1.64784994	0.55187545	227.424400	91.570694	0.519419	0.73844202	2.115325

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