The USS Aryabhatta was a 23rd century Federation starship operated by Starfleet.
According to Christopher Pike's service record, he served aboard the Aryabhatta at some point prior to 2250. (DIS: "Brother")
According to Una Chin-Riley's personnel file, she served aboard the Aryabhatta prior to her service aboard the USS Enterprise. (SNW: "Ad Astra per Aspera"; display graphic)