Asteroid General Data

2018 TD₂

General information

Preliminary designation	2018 TD₂
Group	Aten
Absolute magnitude	26.55
Approximate diameter (m)	13
Approximate mass (kg)	4.04·10⁶
Number of observations	16
Arc length (days)	5

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	348.200450
a – orbit major semiaxis (astronomical units)	0.84305300
e – orbit eccentricity	0.41543700
ω – orbit ascending node-perihelion angle (degrees)	323.754034
Ω – longitude of orbit ascending node (degrees)	193.107767
i – orbit inclination to the ecliptic plane (degrees)	10.541118

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	147.798532	0.84228728	0.41441539	322.356507	195.013600	10.668501	0.49323047	0.773020
01/21/1858	337.025030	0.84266723	0.41427584	322.551209	194.717570	10.670500	0.49357055	0.773544
01/29/1887	168.694161	0.84229303	0.41491270	322.831117	194.435806	10.623946	0.49281495	0.773028
02/07/1916	357.345644	0.84276088	0.41477402	322.989612	194.156868	10.624972	0.49320557	0.773673
02/14/1945	185.285877	0.84265514	0.41516736	323.214285	193.881515	10.584945	0.49281223	0.773527
02/22/1974	10.682655	0.84284196	0.41517271	323.399734	193.618069	10.591210	0.49291698	0.773784
03/02/2003	193.543217	0.84271047	0.41546937	323.627331	193.337617	10.552836	0.49259008	0.773603
03/09/2032	14.871307	0.84301548	0.41537016	323.763565	193.062886	10.542157	0.49285200	0.774023
03/17/2061	186.811022	0.84334307	0.41548454	323.978134	192.765037	10.514583	0.49294707	0.774474
03/25/2090	353.813579	0.84344916	0.41549352	324.183982	192.513861	10.516714	0.49300150	0.774620
04/03/2119	163.857563	0.84327891	0.41581062	324.442418	192.204253	10.486733	0.49263458	0.774386
04/10/2148	329.239861	0.84363041	0.41580134	324.611472	191.938214	10.474106	0.49284775	0.774870
04/18/2177	140.669349	0.84304482	0.41652878	324.971625	191.621899	10.428447	0.49189239	0.774064

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