56 



ON THE NEW PLANET CERES. 



APPENDIX. 



April 10, IS 04. 

 Since the preceding paper on the planet Ceres was written, 

 Mr. Ed. Trough ton has put into my hands the duplicate of 

 another letter, fent to him by the Baron de Zach, and ad- 

 drefled to Sir Jofeph Banks, Bart, which I underftand has 

 been read at a meeting of the Royal Society, and which I 

 mall here tranferibe *", On account offome remarks which I 

 have to make upon it. (Copy,) 



Set-berg Obfervatory near Gotha, Feb. 20, 1802. 



" Dear Sir, 



Letter from Ba- " I had the honour to fend to you my obfervations of the 



rem von Zach. new p] anet Q eres Ferdinandea made in January, here I take 



the liberty to fend the continuation of them made in February. 



Pr. Gaufs has corrected his elliptical elements of the orbit 

 upon my obfervations ; here is what he has found fince my 

 laft letter to you. 

 Elements. Epoch for the beginning of the year to the meridian of 



Seeberg «- 



£P*f»}both fi derea,, ." ." 



Greateft equation of the center 



Inclination of the orbit 



Logarithm off axis major 0,4424742 



Eccentricity of the orbit 0,08 1 4064 



Mean diurnal heliocentric and tropical motion 769 y/ ,7924 



With thefe elements of the orbit all the obfervations made 

 by Mr. Piazzi in Palermo, from Jan. 1, till Feb. 11, 1801, 



* The letter was fent open to Mr. Troughton for the exprefs 

 puipofe of copying and communicating the fame. W. N. 



agree 



