Asteroid General Data

2021 WA

General information

Preliminary designation	2021 WA
Group	Apollo
Absolute magnitude	24.09
Approximate diameter (m)	40
Approximate mass (kg)	1.21·10⁸
Number of observations	65
Arc length (days)	12

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	230.322108
a – orbit major semiaxis (astronomical units)	2.08737100
e – orbit eccentricity	0.60429500
ω – orbit ascending node-perihelion angle (degrees)	294.912793
Ω – longitude of orbit ascending node (degrees)	60.063082
i – orbit inclination to the ecliptic plane (degrees)	9.124200

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	34.626493	2.08593594	0.60515728	288.354266	65.477929	8.866734	0.82361662	3.012673
01/21/1858	255.864469	2.09032708	0.60349348	288.970249	64.962661	8.898843	0.82882833	3.022192
01/29/1887	113.693144	2.08868352	0.60411437	289.426098	64.455578	8.912884	0.82687978	3.018628
02/07/1916	335.034873	2.08700900	0.60580271	290.096978	63.822850	8.931332	0.82269329	3.014998
02/14/1945	201.208448	2.08656711	0.60846893	291.564649	62.635349	8.968610	0.81695586	3.014041
02/22/1974	70.244220	2.08520951	0.60893572	293.036598	61.556999	9.031101	0.81545097	3.011100
03/02/2003	298.740957	2.08504111	0.60665548	294.195253	60.681715	9.069791	0.82013949	3.010735
03/09/2032	163.121305	2.08955603	0.60295364	295.045973	59.954224	9.130010	0.82965062	3.020520
03/17/2061	21.214902	2.08996232	0.60189342	295.431017	59.578437	9.145179	0.83202776	3.021400
03/25/2090	242.746098	2.08664501	0.60432065	296.105142	58.899791	9.172547	0.82564233	3.014210
04/03/2119	109.881142	2.08427331	0.60685434	297.085729	58.095245	9.212475	0.81942302	3.009072
04/10/2148	340.249418	2.08435695	0.60821455	298.891674	56.783700	9.297284	0.81662073	3.009253
04/18/2177	208.965633	2.08636895	0.60677504	299.979327	55.997902	9.352419	0.82041235	3.013612

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