Asteroid General Data

2021 KW₁

General information

Preliminary designation	2021 KW₁
Group	Apollo
Absolute magnitude	24.87
Approximate diameter (m)	28
Approximate mass (kg)	4.11·10⁷
Number of observations	19
Arc length (days)	3

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	219.028257
a – orbit major semiaxis (astronomical units)	1.13663200
e – orbit eccentricity	0.25403100
ω – orbit ascending node-perihelion angle (degrees)	258.040243
Ω – longitude of orbit ascending node (degrees)	233.522870
i – orbit inclination to the ecliptic plane (degrees)	20.104787

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	108.267946	1.13437307	0.25230028	257.177649	234.570662	20.145439	0.84817042	1.208188
01/21/1858	113.201157	1.13515785	0.25254208	257.249231	234.408729	20.142090	0.84848272	1.209442
01/29/1887	111.828075	1.13493499	0.25259375	257.431431	234.263263	20.143794	0.84825750	1.209086
02/07/1916	109.918683	1.13558753	0.25283828	257.430840	234.107886	20.139726	0.84846753	1.210129
02/14/1945	95.873518	1.13666450	0.25360029	257.515811	233.957588	20.119140	0.84840606	1.211851
02/22/1974	77.936742	1.13601089	0.25346050	257.779479	233.805602	20.122990	0.84807701	1.210805
03/02/2003	63.524889	1.13644663	0.25410114	257.948139	233.642116	20.101911	0.84767425	1.211502
03/09/2032	45.688479	1.13623179	0.25394815	258.105493	233.504300	20.107124	0.84768783	1.211159
03/17/2061	27.961324	1.13736575	0.25468215	258.184335	233.338763	20.088233	0.84769900	1.212972
03/25/2090	4.337311	1.13702373	0.25447109	258.351770	233.194895	20.093077	0.84768407	1.212425
04/03/2119	340.950776	1.13634391	0.25459213	258.634400	233.030068	20.086463	0.84703969	1.211338
04/10/2148	323.995440	1.13664628	0.25462884	258.763508	232.884190	20.087323	0.84722336	1.211821
04/18/2177	306.984233	1.13605362	0.25493667	259.129801	232.717966	20.073162	0.84643190	1.210874

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