Yes so that a judge can count it toward the final award if any.

Do I have to keep paying child support if my 22 year old child is moving out into her own apartment ?

No and you should get into Court right away.

Not without notice to you. It's a possibility though.

Can my ex wife keep my children away if there is no court order yet?

You should get into court right away to try to exercise parenting time. If her situation is really egregious then you may wish to consider...

Is it legal?

Retirement income becomes considered for alimony when you as the retiree begin receiving it. If you can show rule of thumb you can win on appeal.

If you are still married and they were not the alimony. There could be some other type of support if you were separated going through divorce. But,...

It would appear that New Jersey would apply because New Jersey would retain jurisdiction.

Did I still qualify for an annulment after 5 1/2 years of marriage?

You have to demonstrate some fraud on the marriage or fundamental misunderstanding leading to the marriage.

Will I have to pay more ? Who is still eligible for support money?

Your matter will be reviewed for one child using current incomes.

Do I need to have a marital/property settlement agreement in place with my spouse before filing for divorce?

No you don't need it before filing. It can be reached afterward.