Asteroid General Data

2021 WN₄

General information

Preliminary designation	2021 WN₄
Group	Apollo
Absolute magnitude	24.95
Approximate diameter (m)	27
Approximate mass (kg)	3.68·10⁷
Number of observations	64
Arc length (days)	36

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	180.036969
a – orbit major semiaxis (astronomical units)	2.17001600
e – orbit eccentricity	0.53277400
ω – orbit ascending node-perihelion angle (degrees)	352.522307
Ω – longitude of orbit ascending node (degrees)	75.206503
i – orbit inclination to the ecliptic plane (degrees)	8.202694

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	186.575078	2.16822124	0.53443148	349.115587	76.780483	8.181606	1.00945555	3.192685
01/21/1858	222.507109	2.16541195	0.53291325	349.586493	76.534269	8.187142	1.01143524	3.186482
01/29/1887	263.431599	2.16307186	0.53419890	350.140228	76.327011	8.204905	1.00756126	3.181318
02/07/1916	301.348979	2.16321756	0.53484887	350.596044	76.081716	8.213172	1.00622310	3.181639
02/14/1945	339.201539	2.16923981	0.53267866	351.030569	75.881922	8.189467	1.01373205	3.194935
02/22/1974	13.486579	2.16788095	0.53231908	351.654740	75.622080	8.195058	1.01387656	3.191933
03/02/2003	48.225372	2.16598156	0.53480878	351.996966	75.419439	8.216087	1.00759560	3.187739
03/09/2032	76.686660	2.16833196	0.53441776	352.627886	75.140428	8.216546	1.00953685	3.192929
03/17/2061	109.662799	2.16776847	0.53269274	353.170289	74.930825	8.208734	1.01301394	3.191685
03/25/2090	143.538184	2.16901646	0.53411993	353.529991	74.715518	8.224366	1.01050154	3.194441
04/03/2119	171.367529	2.17170756	0.53429115	353.998467	74.467824	8.208929	1.01138342	3.200388
04/10/2148	188.265893	2.17544729	0.53449599	354.631922	74.215010	8.195624	1.01267943	3.208658
04/18/2177	204.349793	2.17540593	0.53402350	355.153118	74.008712	8.186731	1.01368803	3.208567

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