Asteroid General Data

2008 TD₄ (378842)

General information

Preliminary designation	2008 TD₄
Number	378842
Group	Apollo
Absolute magnitude	19.78
Approximate diameter (m)	290
Approximate mass (kg)	4.65·10¹⁰
Number of observations	154
Arc length (days)	5246

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	134.365272
a – orbit major semiaxis (astronomical units)	1.82132500
e – orbit eccentricity	0.61823700
ω – orbit ascending node-perihelion angle (degrees)	54.951574
Ω – longitude of orbit ascending node (degrees)	221.824326
i – orbit inclination to the ecliptic plane (degrees)	14.451285

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	6.793191	1.82481937	0.61583284	50.811139	225.347228	14.887892	0.70103567	2.465077
01/21/1858	285.724231	1.82416129	0.61695351	51.401689	224.879188	14.823178	0.69873858	2.463743
01/29/1887	204.471972	1.82377180	0.61615061	52.040827	224.303992	14.750758	0.70005370	2.462954
02/07/1916	131.254546	1.82029093	0.61711511	52.594699	223.867483	14.699049	0.69696189	2.455906
02/14/1945	63.262245	1.82098094	0.61606339	53.369961	223.200053	14.614166	0.69914124	2.457303
02/22/1974	355.302519	1.82038962	0.61756387	53.769331	222.837637	14.575598	0.69618276	2.456106
03/02/2003	287.112676	1.82174289	0.61730153	54.656424	222.119308	14.474378	0.69717821	2.458845
03/09/2032	216.033542	1.82191514	0.61807421	55.017276	221.749923	14.444504	0.69583638	2.459194
03/17/2061	144.814396	1.82239998	0.61900778	55.712720	221.206895	14.371091	0.69432021	2.460176
03/25/2090	70.803537	1.82279992	0.61864137	56.356966	220.608838	14.314817	0.69514048	2.460986
04/03/2119	356.323038	1.82250969	0.62000298	56.877141	220.151116	14.266510	0.69254825	2.460398
04/10/2148	279.260575	1.82372630	0.61950396	57.735397	219.428810	14.185143	0.69392063	2.462862
04/18/2177	200.679760	1.82361283	0.62075409	58.195272	219.011484	14.145489	0.69159770	2.462632

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