Asteroid General Data

2021 WY₄

General information

Preliminary designation	2021 WY₄
Group	Apollo
Absolute magnitude	20.72
Approximate diameter (m)	190
Approximate mass (kg)	1.27·10¹⁰
Number of observations	43
Arc length (days)	14

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	71.118175
a – orbit major semiaxis (astronomical units)	2.57160600
e – orbit eccentricity	0.88002100
ω – orbit ascending node-perihelion angle (degrees)	0.654549
Ω – longitude of orbit ascending node (degrees)	281.993791
i – orbit inclination to the ecliptic plane (degrees)	12.150827

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	327.908859	2.53891045	0.88695377	353.863418	285.858606	10.169611	0.28701425	4.045495
01/21/1858	67.952701	2.48955843	0.90012634	355.468754	284.785969	11.113412	0.24864131	3.928114
01/29/1887	257.935808	2.43636627	0.91336290	356.705099	284.102553	11.946558	0.21107970	3.802896
02/07/1916	130.930012	2.43122270	0.91430659	356.847245	284.105156	12.023047	0.20833977	3.790860
02/14/1945	347.276478	2.46520392	0.90623130	357.469762	283.856732	11.840310	0.23115896	3.870614
02/22/1974	125.355595	2.51182258	0.89504769	359.204559	282.675224	12.323463	0.26362159	3.980926
03/02/2003	175.062220	2.56850161	0.88120800	0.559303	282.017312	12.221736	0.30511745	4.116427
03/09/2032	189.057011	2.57295179	0.88009599	0.655724	281.989852	12.158852	0.30850724	4.127129
03/17/2061	216.056543	2.54753176	0.88818648	0.957600	281.871682	12.493772	0.28484848	4.066118
03/25/2090	312.983664	2.48148402	0.90477297	3.175648	280.442906	11.790128	0.23630435	3.909019
04/03/2119	138.153358	2.44300319	0.91474642	4.302259	279.660478	11.606180	0.20827476	3.818446
04/10/2148	10.176703	2.43291335	0.91716212	4.512558	279.699578	11.661653	0.20153738	3.794815
04/18/2177	230.522833	2.45035596	0.91293911	4.888780	279.565273	11.355339	0.21333018	3.835698

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