The cache IS NOT located at the above coordinates. To reveal the final location, you must discover the identity of the Mystery Heroes. To do that, you have to complete the OPERATION Superheroes - Heroes Convergence adventure lab and collect the letters found in each of the 5 journals. When you have acquired all 5 letters, create a word from them and place it in the coordinates checker below. If the word is the correct one, the Mystery Heroes will be revealed along with the coordinates to their secret headquarters.
You can validate your puzzle solution with certitude.