Euler E058: Determination of the orbit of the comet observed chiefly in March 1742 | English translation | OMH v1.0

English translation of “Determinatio orbitae cometae qui mense Martio huius anni 1742 potissimum fuit observatus” by Leonhard Euler (Eneström E058), titled “Determination of the orbit of the comet observed chiefly in March 1742.” Prepared for Open Math Heritage with OpenAI-assisted translation, mathematical transcription and LaTeX typesetting. OMH v1.0 is a machine-assisted draft that has undergone a full, fresh AI-assisted technical audit of source coverage, translation, formulas, tables and figures where present, and rendered output. This is not a claim of human scholarly review or certification of the historical mathematics. Version 2 is reserved for a fully reviewed edition. Original publication: Miscellanea Berolinensia, vol. 7 (1743), pp. 1–90, seven supplementary numerical leaves and Plate I (five figures). Sources: https://scholarlycommons.pacific.edu/euler-works/58/; https://bibliothek.bbaw.de/digitalisierte-sammlungen/akademieschriften. Reproduced BBAW scan assets retain the collection’s stated current CC BY-SA conditions and attribution; no unsupported numbered license version or blanket license for the mixed-content edition is asserted. The original historical text is public domain by age; no publication license is assigned here to the new translation or editorial notes.