determined from observations that the Moon was 12.3457 days past the perigee at that winter solstice and the anomalistic month was measured to be 27.5546 days. Are these observation data consistent with the superior epoch? The number of days between the superior epoch and the winter solstice was 3652425 days. If we assume the Moon was at perigee at the superior epoch and the anomalistic month was 27.5546 days, it would be <span class="nowrap">mod(3652425, 27.5546)</span> = 7.6608 days past the perigee at th