Asteroid General Data

1999 TD₅

General information

Preliminary designation	1999 TD₅
Group	Amor
Absolute magnitude	19.21
Approximate diameter (m)	380
Approximate mass (kg)	1.02·10¹¹
Number of observations	173
Arc length (days)	8356

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	337.858556
a – orbit major semiaxis (astronomical units)	2.46268900
e – orbit eccentricity	0.53181300
ω – orbit ascending node-perihelion angle (degrees)	309.976145
Ω – longitude of orbit ascending node (degrees)	104.861573
i – orbit inclination to the ecliptic plane (degrees)	4.160775

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	305.054543	2.53105859	0.48242808	294.247584	114.242492	3.835339	1.31000484	4.026743
01/21/1858	24.963447	2.51927238	0.49139490	295.795829	113.211976	3.857829	1.28131479	3.998649
01/29/1887	122.355979	2.51345432	0.49742870	298.531535	111.648938	3.895683	1.26319002	3.984805
02/07/1916	234.043272	2.49915900	0.50454220	302.369771	109.497042	3.976384	1.23822781	3.950858
02/14/1945	359.919622	2.49312305	0.50844469	305.073388	108.015254	4.035004	1.22550787	3.936554
02/22/1974	141.667130	2.47813555	0.51896449	308.336492	106.131113	4.113292	1.19207120	3.901110
03/02/2003	306.583149	2.46889890	0.52654544	309.589560	105.296029	4.147011	1.16891144	3.879320
03/09/2032	128.492075	2.45971879	0.53350842	309.984728	104.770323	4.163748	1.14743811	3.857703
03/17/2061	314.954770	2.46226388	0.53299219	309.916635	104.576070	4.164622	1.14989646	3.863692
03/25/2090	134.266922	2.46962951	0.52804875	309.942918	104.375833	4.165127	1.16554473	3.881042
04/03/2119	293.425671	2.48206315	0.51677939	310.842361	103.852272	4.187828	1.19938406	3.910388
04/10/2148	73.480807	2.49249816	0.50767519	312.393920	103.118323	4.225613	1.22711869	3.935074
04/18/2177	196.207363	2.50113534	0.49786780	315.253966	101.856659	4.300782	1.25590060	3.955546

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