J. W. Gunnison mentions Kolob in book on the Mormons; calls it a "great orb."
J. W. Gunnison, The Mormons, or Latter-day Saints, in the Valley of the Great Salt Lake (Philadelphia: Lippincott, Grambo & Co., 1852), 56, 82
There is something ingenious, as well as fanciful, in the method of determining prophetic time. For want of the true key, the commentators have hitherto failed in their interpretations of days and years, and the time for the fulfilment of foretold events.
Now God, our Father, dwells on his planet (Kolob) and measures time by its revolutions; one of those revolutions begins and terminates a day, which is equal to one thousand of our years; the authority for which will readily occur to any Sabbath-school scholar or scripture reader.
. . .
The greatest change will be made in astronomy the system of the world will be modified in the number, arrangement, and relations of the planets and any curious to anticipate what is to burst upon us, may discover an inkling in the Book of Abraham, which was brought to Nauvoo with some Egyptian mummies of which Joseph translated a portion written by the faithful patriarch, when he sojourned on the banks of the Nile, which relates to the planetary world; diving to the centre of the universe, and exhibiting the great orb Kolob, which revolves on its axis once in a thousand of our years, and around which all else that relates to man is supposed to wheel in endless lines.