Asteroid General Data

2018 AD₄

General information

Preliminary designation	2018 AD₄
Group	Aten
Absolute magnitude	22.67
Approximate diameter (m)	78
Approximate mass (kg)	8.59·10⁸
Number of observations	83
Arc length (days)	2930

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	43.481876
a – orbit major semiaxis (astronomical units)	0.92885300
e – orbit eccentricity	0.21874300
ω – orbit ascending node-perihelion angle (degrees)	199.176744
Ω – longitude of orbit ascending node (degrees)	112.151487
i – orbit inclination to the ecliptic plane (degrees)	13.571543

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	76.709232	0.92832553	0.21902254	198.228360	113.514215	13.537804	0.72500131	0.894440
01/21/1858	239.536130	0.92816061	0.21878561	198.343388	113.305798	13.546477	0.72509243	0.894201
01/29/1887	37.582706	0.92892869	0.21932414	198.485540	113.107709	13.544817	0.72519220	0.895312
02/07/1916	185.435581	0.92911294	0.21942028	198.581031	112.914509	13.552479	0.72524672	0.895578
02/14/1945	340.702585	0.92840845	0.21878422	198.781297	112.710056	13.560948	0.72528734	0.894560
02/22/1974	144.285106	0.92851562	0.21883567	198.899436	112.523813	13.563830	0.72532328	0.894714
03/02/2003	297.413324	0.92893471	0.21907021	199.024603	112.304637	13.569491	0.72543279	0.895320
03/09/2032	85.865473	0.92877050	0.21879471	199.183455	112.117428	13.574370	0.72556043	0.895083
03/17/2061	247.175385	0.92811142	0.21835090	199.301831	111.920445	13.583280	0.72545745	0.894130
03/25/2090	47.217068	0.92863694	0.21862535	199.434100	111.720861	13.582688	0.72561336	0.894890
04/03/2119	195.350118	0.92901666	0.21881721	199.616438	111.524856	13.585181	0.72573183	0.895439
04/10/2148	349.770851	0.92822274	0.21824870	199.727394	111.316105	13.594374	0.72563934	0.894291
04/18/2177	153.349742	0.92814388	0.21828553	199.799874	111.143983	13.598305	0.72554350	0.894177

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