worst mom ever

Just found out yesterday that I'm 4 weeks pregnant with our second baby. (Our first is only 10 months old!!!)
I wanted to wait like 5 more months before trying again and just don't feel like it's a good time. I had a lot of plans for this summer which basically revolved around not being pregnant. 
Any other moms feel this way? 
I feel the need to add I'm a full time student and work 40+ hours a week. 
I feel terrible about myself. Of course I love my little peanut but I just wish it had happened differently. 😔