Asteroid General Data

2009 TD₈

General information

Preliminary designation	2009 TD₈
Group	Aten
Absolute magnitude	26.88
Approximate diameter (m)	11
Approximate mass (kg)	2.56·10⁶
Number of observations	20
Arc length (days)	1

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	358.038824
a – orbit major semiaxis (astronomical units)	0.88350200
e – orbit eccentricity	0.24440000
ω – orbit ascending node-perihelion angle (degrees)	147.127806
Ω – longitude of orbit ascending node (degrees)	20.183019
i – orbit inclination to the ecliptic plane (degrees)	4.998144

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	354.965870	0.88351428	0.24259623	143.931386	25.430217	5.326275	0.66917705	0.830464
01/21/1858	333.860780	0.88393052	0.24221264	144.268352	24.803481	5.320529	0.66983138	0.831051
01/29/1887	313.510563	0.88260981	0.24290223	144.867756	24.121014	5.220810	0.66822192	0.829189
02/07/1916	298.828915	0.88432177	0.24277048	145.149139	23.222866	5.200530	0.66963455	0.831603
02/14/1945	286.490638	0.88326694	0.24336329	146.163778	22.382516	5.145101	0.66831219	0.830116
02/22/1974	271.831758	0.88297637	0.24366420	146.182886	21.758906	5.121151	0.66782664	0.829706
03/02/2003	243.476475	0.88426407	0.24354213	146.637623	21.005819	5.128369	0.66890852	0.831522
03/09/2032	211.865499	0.88340562	0.24443205	147.152200	20.167584	4.997879	0.66747298	0.830311
03/17/2061	194.649520	0.88387631	0.24396130	147.428913	19.468831	4.993774	0.66824470	0.830975
03/25/2090	182.631735	0.88297966	0.24416290	148.202847	18.591732	4.923132	0.66738878	0.829711
04/03/2119	174.735136	0.88261594	0.24453473	148.454011	18.037242	4.910244	0.66678569	0.829198
04/10/2148	178.265527	0.88189904	0.24422885	148.975501	17.271541	4.888639	0.66651386	0.828188
04/18/2177	189.319703	0.88195709	0.24399674	149.513036	16.463878	4.876862	0.66676243	0.828270

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