Asteroid General Data

1999 TC₅ (373428)

General information

Preliminary designation	1999 TC₅
Number	373428
Group	Apollo
Absolute magnitude	18.64
Approximate diameter (m)	500
Approximate mass (kg)	2.25·10¹¹
Number of observations	663
Arc length (days)	8661

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	116.380198
a – orbit major semiaxis (astronomical units)	2.01609900
e – orbit eccentricity	0.54661400
ω – orbit ascending node-perihelion angle (degrees)	282.761311
Ω – longitude of orbit ascending node (degrees)	192.279558
i – orbit inclination to the ecliptic plane (degrees)	29.127441

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	93.771030	2.01591846	0.54940984	280.478781	195.354730	28.861296	0.90835302	2.862266
01/21/1858	144.685781	2.01628396	0.54841917	280.639104	194.964619	28.892847	0.91051519	2.863045
01/29/1887	193.374124	2.01618255	0.54767452	281.156658	194.444137	28.951216	0.91197075	2.862829
02/07/1916	243.946674	2.01534198	0.54899454	281.541684	193.942086	28.977148	0.90893024	2.861039
02/14/1945	294.608422	2.01627388	0.54751978	281.750650	193.584793	29.009404	0.91232405	2.863023
02/22/1974	343.189757	2.01591785	0.54714315	282.415091	192.924781	29.081653	0.91292220	2.862265
03/02/2003	34.366538	2.01514018	0.54799088	282.593808	192.579849	29.098166	0.91086173	2.860609
03/09/2032	84.998104	2.01632016	0.54643012	282.757359	192.251342	29.125349	0.91454210	2.863122
03/17/2061	133.681961	2.01608331	0.54628992	283.408613	191.598279	29.201844	0.91471733	2.862618
03/25/2090	185.302858	2.01493221	0.54684942	283.613850	191.234623	29.220501	0.91306770	2.860166
04/03/2119	235.271700	2.01596915	0.54474164	283.963971	190.766961	29.288013	0.91778681	2.862374
04/10/2148	284.917369	2.01556676	0.54481631	284.451264	190.271501	29.341130	0.91745312	2.861517
04/18/2177	337.136625	2.01594039	0.54464703	284.614917	189.886413	29.365146	0.91796444	2.862313

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