Asteroid General Data

1987 WC (412976)

General information

Preliminary designation	1987 WC
Number	412976
Group	Amor
Absolute magnitude	19.91
Approximate diameter (m)	280
Approximate mass (kg)	3.89·10¹⁰
Number of observations	321
Arc length (days)	13938

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	191.025733
a – orbit major semiaxis (astronomical units)	1.36199400
e – orbit eccentricity	0.23382000
ω – orbit ascending node-perihelion angle (degrees)	308.396996
Ω – longitude of orbit ascending node (degrees)	51.796371
i – orbit inclination to the ecliptic plane (degrees)	15.844696

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	70.549422	1.36240506	0.23449205	306.821522	52.797042	15.819285	1.04293191	1.590230
01/21/1858	161.272736	1.36238365	0.23449867	307.024739	52.660729	15.821895	1.04290649	1.590193
01/29/1887	253.161940	1.36213421	0.23430337	307.253077	52.512154	15.825554	1.04298157	1.589756
02/07/1916	344.921144	1.36206181	0.23426310	307.485920	52.369817	15.828834	1.04298099	1.589629
02/14/1945	76.761378	1.36213712	0.23417496	307.678312	52.218705	15.830512	1.04315872	1.589761
02/22/1974	167.741561	1.36230990	0.23391426	307.927362	52.070362	15.835026	1.04364619	1.590064
03/02/2003	259.139245	1.36193990	0.23383161	308.158171	51.922173	15.841374	1.04347530	1.589416
03/09/2032	351.092169	1.36195284	0.23360760	308.423086	51.775527	15.845462	1.04379030	1.589438
03/17/2061	82.983737	1.36201309	0.23351622	308.654967	51.632344	15.847995	1.04396094	1.589544
03/25/2090	174.816777	1.36207362	0.23353434	308.910217	51.478561	15.853866	1.04398266	1.589650
04/03/2119	265.811344	1.36208076	0.23323791	309.135745	51.330643	15.859424	1.04439189	1.589662
04/10/2148	357.932435	1.36197814	0.23328459	309.429199	51.173333	15.864192	1.04424963	1.589483
04/18/2177	89.824978	1.36195983	0.23320090	309.608437	51.034082	15.866032	1.04434957	1.589451

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