How difficult would it be on a scale from 1-10, 10 being most difficult, to dock a Space Shuttle with the ISS

Question: How difficult would it be on a scale from 1-10, 10 being most difficult, to dock a Space Shuttle with the ISS (International Space Station)?
- Keywords:
  difficult,
  iss,
  shuttle,
  space
Asked by Krishan to Agata, Chris, John, Kirstin, Michael on 22 Jun 2016.
- Chris Hackett answered on 22 Jun 2016:
  
  well it is what used to be done before the shuttle was decommissioned. Computers can do it automatically but I have done a simulation before by hand and I would give it a 5 out of 10 because it is doable without practice. After practice it would become a 1.

Question: How difficult would it be on a scale from 1-10, 10 being most difficult, to dock a Space Shuttle with the ISS (International Space Station)?