That’s today without atmosphere, liquid water and with a solidified core I’m not sure were close to estimating when the core has solidified as far as I know we

That’s today without atmosphere, liquid water and with a solidified core I’m not sure were close to estimating when the core has solidified as far as I know we also have no method for dating anything on mars. When mars was wet, geologically a GI d and still had an atmosphere the temperatures would’ve been much closer to earth today.