Asteroid General Data

2021 WK₁

General information

Preliminary designation	2021 WK₁
Group	Apollo
Absolute magnitude	26.25
Approximate diameter (m)	15
Approximate mass (kg)	6.11·10⁶
Number of observations	68
Arc length (days)	16

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	62.099942
a – orbit major semiaxis (astronomical units)	2.56064100
e – orbit eccentricity	0.61379500
ω – orbit ascending node-perihelion angle (degrees)	160.350400
Ω – longitude of orbit ascending node (degrees)	261.505586
i – orbit inclination to the ecliptic plane (degrees)	0.469077

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	26.028887	2.44417512	0.67598183	41.590416	14.286355	0.362621	0.79195714	3.821194
01/21/1858	233.806558	2.45409197	0.67112045	42.457976	13.315737	0.349572	0.80710066	3.844473
01/29/1887	52.329288	2.47537981	0.66069400	48.194383	7.877769	0.310802	0.83991123	3.894605
02/07/1916	190.531985	2.49241297	0.64793023	84.994197	332.568508	0.224169	0.87750327	3.934872
02/14/1945	311.095676	2.50202474	0.64411719	122.167253	296.570558	0.247232	0.89042760	3.957656
02/22/1974	55.159430	2.51595473	0.63376832	150.323877	270.249936	0.371957	0.92142232	3.990753
03/02/2003	136.949031	2.53381937	0.62160195	156.972904	264.428227	0.424265	0.95879232	4.033333
03/09/2032	183.206503	2.56285645	0.61261937	160.414207	261.430419	0.469335	0.99280096	4.102863
03/17/2061	207.280964	2.56443358	0.61248320	161.307778	260.315381	0.474111	0.99376110	4.106651
03/25/2090	241.345589	2.54589131	0.62515199	165.154348	256.752147	0.540011	0.95432229	4.062192
04/03/2119	303.675599	2.52993587	0.62923101	170.805794	252.646807	0.666886	0.93802178	4.024064
04/10/2148	23.562008	2.53281478	0.61536072	178.110698	246.164778	0.800494	0.97422006	4.030935
04/18/2177	73.258539	2.55582159	0.60225028	179.375848	245.060961	0.801421	1.01657733	4.085982

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