Determination of the day of the week determined for the latter part of the analysis. By using a given day August 13, 2009 which was a Thursday as a reference, with "Base" and "n" being the number of days and weeks it has been since 01/01/0001 to the given day, respectively and "k" the day into the given week which must be less than 7, "Base" is expressed as Knowing that a year divisible by 4 or 400 is a leap year while a year divisible by 100 and not 400 is not a leap year, a software program can be written to find the number of
IAU definition of planet and the asteroids Vesta, Pallas, and Hygiea. On 18 August the Committee of the Division of Planetary Sciences (DPS) of the American Astronomical Society endorsed the draft proposal. The DPS Committee represents a small subset of the DPS members, and no resolution in support of the IAU definition was considered or approved by the DPS membership. According to an IAU draft resolution, the roundness condition generally results in the need for a mass of at least 5 kg, or diameter of at least 800 km. However, Mike Brown claims that these numbers are only right for rocky bodies like asteroids,