* Cache is not at the posted coordinates *
All the containers in this series are similar as well as the hides. Neither the puzzles nor the hides should be too difficult although some will be more challenging than others. Those that want a real challenge can attempt to find at least 50 puzzles on the same day and can qualify for the Very Puzzling Day Challenge, GC4GTY0.
8
When I was young I learned there were 9 planets. Now there are only 8. That would have made things so much easier on me. In memory of the missing planet I will make this puzzle easier on you. You only have to determine the last 3 numbers of the coordinates.
The cache is located at N 39 10.ABC; W 96 17.DEF.
ABC = 


DEF = 


You can check your answers for this puzzle on GeoChecker.com.