Asteroid General Data

2021 WC₈

General information

Preliminary designation	2021 WC₈
Group	Apollo
Absolute magnitude	19.89
Approximate diameter (m)	280
Approximate mass (kg)	4.00·10¹⁰
Number of observations	232
Arc length (days)	7912

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	21.481016
a – orbit major semiaxis (astronomical units)	2.61692400
e – orbit eccentricity	0.70058900
ω – orbit ascending node-perihelion angle (degrees)	241.157364
Ω – longitude of orbit ascending node (degrees)	318.523053
i – orbit inclination to the ecliptic plane (degrees)	17.719632

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	31.698519	2.60737063	0.68918011	229.076005	331.344074	20.463392	0.81042264	4.210220
01/21/1858	350.378514	2.60429553	0.69097105	229.385208	330.914249	20.382791	0.80480272	4.202774
01/29/1887	322.785258	2.60264168	0.69550851	232.470544	327.756093	19.561625	0.79248223	4.198771
02/07/1916	282.193886	2.60940689	0.69317472	232.914278	327.215379	19.411784	0.80063201	4.215153
02/14/1945	247.650452	2.59779730	0.70194367	235.667913	324.243828	18.837620	0.77428992	4.187053
02/22/1974	207.636050	2.61252808	0.69677358	236.912130	323.000949	18.511924	0.79218753	4.222718
03/02/2003	167.819398	2.59802622	0.70535801	238.687013	321.022011	18.267847	0.76548761	4.187607
03/09/2032	127.067062	2.61551722	0.70063688	241.288906	318.418299	17.707978	0.78298938	4.229967
03/17/2061	79.141586	2.60234894	0.70635865	242.468992	317.104655	17.597898	0.76415725	4.198063
03/25/2090	40.109199	2.61405481	0.70388579	246.078107	313.393129	17.001261	0.77405878	4.226420
04/03/2119	348.753695	2.60838125	0.70746860	246.911019	312.443059	16.926355	0.76303341	4.212668
04/10/2148	307.544283	2.61659083	0.70695928	251.169376	308.019939	16.416446	0.76676766	4.232572
04/18/2177	253.989401	2.61416041	0.70819373	251.641760	307.376275	16.365480	0.76282841	4.226676

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