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Correspondence on Ceres, 1802 - 1803

Reference Code: GBR/0180/RGO 4/120

Scope and Contents

Loose letters, printed matter, calculations and sketches of Ceres.

i. Calculations, apparently for determining the elements of Ceres' orbit.

ii. Geocentric motion of Ceres, 1801-1803.

iii. Printed German account of Giuseppe Piazzi's discovery of Ceres, complete with ephemeris, relative positions of the planets, chart and corrections to the observations, 1801.

iv. Maskelyne's account and details of the minor planet Ceres, 17 February 1802.

v. Calculations pertaining to the position of Ceres, 1801.

vi. French account of the position and elements of Ceres during 1801-1802, dated 24 January 1802, author unknown.

vii. Notes on the observations of Ceres during 1801-1802, dated 23 February 1802.

viii. Details of the position and motion of Ceres, 1801-1802.

ix. Baron von Zach's formula for calculating the place of Ceres.

x. French observations of Ceres, 1801-1802.

xi. Calculations and observations of Ceres, with a table of Zach's, Olbers' and Mechain's observations, 1801-1802.

xii. Algebraic formula to calculate Ceres's position, written on the reverse of a Royal Society invitation, 7 February 1802.

xiii. Notes and calculations on the wires in the telescope, 18 November 1801.

xiv. Orbit of Ceres.

xv. Calculations and elements of the orbit of Ceres, written on a note from John Banks of 28 January 1802 stating his observations of Ceres.

xvi. Ceres' position, 18 March - 6 April 1802.

xvii. Various calculations on Ceres' position.

xviii. Calculations ascertaining Ceres' position and its geocentric longitude, 1800-1802.

xix. Algebra and calculations for computing Ceres' position.

xx. Tables of observed and calculated geocentric longitude and latitude of Ceres, its mean time, right ascension and declination, with the longitude of the Sun and the logaritHMS of its distance from the Earth, 1801.

xxi. Table of observations of Ceres, with notes on position and observational technique, 16 September 1801 - 12 April 1802.

xxii. Calculations for the latitude and longitude of Ceres from the observed right ascension and declination, 4 February - 23 July 1802.

xxiii. Observations of Ceres in the Eastern Dome, 23 October 1801.

xxiv. Notes by Baron von Zach on the characteristics of Ceres, with its position, 20 June - 8 November 1801. MISSING

xxv. Rough calculations on Ceres.

xxvi. Position and calculation of the 1807 comet with relation to the places of various major stars, 1801-1807.

xxvii. Catalogue of stars in the path of the new planet, and Baron von Zach's corrected position of the Moon, 1789-1802.


  • Creation: 1802 - 1803


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From the Management Group:

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1 envelope(s) (1 envelope)

Language of Materials




Former / Other Reference


Related Materials

The papers were originally in one bundle with RGO 4/119 and 4/121, found in a box of correspondence and papers dealing with the minor planets Ceres and Vesta.

Finding aid date

2005-11-07 09:28:45+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

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