What specific elements did Banneker calculate that formed the backbone of his almanac content?

Answer

Positions of the planets, the moon, and the sun for specific dates and locations

Banneker had to calculate the ephemerides himself, which required determining the positions of the planets, the moon, and the sun for specific dates and locations, alongside predicting tidal charts and weather patterns.

What specific elements did Banneker calculate that formed the backbone of his almanac content?
inventionHistorypersoninventorBanneker