## An Investigation of the Orbit of Neptune, with General Tables of Its Motion |

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action added adopted Albany applied arguments assumed century co-ordinates coefficients compared computed concluded constant corrections corresponding Date declinations depend derived determine developed Diff differential coefficients distance disturbing eccentricity effect elements elliptic entire ephemeris epoch equations equinox error expressions Fact four function geocentric given gives Greenwich heliocentric July June Jupiter Kowalski latitude latter least less logarithm longitude mean longitude mean motion modern observations multiplied namely nearly Neptune node normal O.IT observations observatories obtained orbit period perturbations planet positions powers present probable error produced provisional question radius vector reduce referred represented residuals respect right ascensions Saturn secular Sept squares stars Substituting TABLE theory true units unknown quantities values vanish variations Virginis Walker Washington