Asteroid General Data

2018 CW

General information

Preliminary designation	2018 CW
Group	Aten
Absolute magnitude	21.36
Approximate diameter (m)	140
Approximate mass (kg)	5.25·10⁹
Number of observations	45
Arc length (days)	388

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	354.631228
a – orbit major semiaxis (astronomical units)	0.93797300
e – orbit eccentricity	0.13799000
ω – orbit ascending node-perihelion angle (degrees)	171.971139
Ω – longitude of orbit ascending node (degrees)	131.381564
i – orbit inclination to the ecliptic plane (degrees)	29.307835

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	95.798980	0.93758957	0.13808567	171.755484	132.047326	29.232150	0.80812189	0.907862
01/21/1858	82.224980	0.93758473	0.13815581	171.679549	131.953949	29.231463	0.80805195	0.907855
01/29/1887	71.134901	0.93750962	0.13812698	171.806389	131.858779	29.234305	0.80801425	0.907746
02/07/1916	57.690379	0.93779872	0.13817652	171.757626	131.764701	29.234983	0.80821695	0.908166
02/14/1945	44.813245	0.93752858	0.13824621	171.876944	131.668490	29.237575	0.80791881	0.907773
02/22/1974	32.543199	0.93784003	0.13815939	171.892103	131.574217	29.239895	0.80826862	0.908226
03/02/2003	19.801526	0.93752236	0.13823574	171.893231	131.477323	29.240750	0.80792326	0.907764
03/09/2032	7.811819	0.93773894	0.13820604	172.010273	131.381917	29.243050	0.80813775	0.908079
03/17/2061	353.686627	0.93762075	0.13816714	171.944038	131.285566	29.243324	0.80807237	0.907907
03/25/2090	342.031111	0.93748817	0.13815446	172.071400	131.190409	29.244817	0.80796999	0.907715
04/03/2119	329.616012	0.93764030	0.13802779	171.993938	131.097389	29.245792	0.80821988	0.907936
04/10/2148	316.384460	0.93753452	0.13828303	172.137912	131.000463	29.246675	0.80788940	0.907782
04/18/2177	304.109092	0.93771955	0.13802624	172.130665	130.910348	29.249392	0.80828965	0.908051

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