He can only object to his own state’s certification. He can vote to remove any state electors when their certification is opposed by that state’s House Representative and Senator.
So far the only State Senator that matters is Johnson from Wisconsin. Johnson has to have a House member to contest the 10 electors from Wisconsin.
This is an empty exercise to serve up more right wing political propaganda.
What happens to a USA House member and USA Senator when they are obviously caught lying about their states electors?
This is more than an ethics violation. It is fraud to over turn a legitimate election by the people. There has to be consequences to their political jockeying. At the very least a charge of fraud is in order. I suppose it can go all the way to treason.