Move conversion of u, v, to "km" to inside the call to erfa
Move conversion of u, v, to "km" to inside the call to erfa

saimn/astropy,dhomeier/astropy,DougBurke/astropy,MSeifert04/astropy,dhomeier/astropy,AustereCuriosity/astropy,saimn/astropy,funbaker/astropy,mhvk/astropy,stargaser/astropy,pllim/astropy,saimn/astropy,astropy/astropy,bsipocz/astropy,tbabej/astropy,StuartLittlefair/astropy,MSeifert04/astropy,funbaker/astropy,dhomeier/astropy,stargaser/astropy,bsipocz/astropy,saimn/astropy,astropy/astropy,saimn/astropy,aleksandr-bakanov/astropy,tbabej/astropy,joergdietrich/astropy,astropy/astropy,kelle/astropy,stargaser/astropy,kelle/astropy,pllim/astropy,lpsinger/astropy,astropy/astropy,MSeifert04/astropy,mhvk/astropy,StuartLittlefair/astropy,mhvk/astropy,lpsinger/astropy,lpsinger/astropy,AustereCuriosity/astropy,larrybradley/astropy,stargaser/astropy,mhvk/astropy,larrybradley/astropy,pllim/astropy,aleksandr-bakanov/astropy,larrybradley/astropy,DougBurke/astropy,bsipocz/astropy,tbabej/astropy,funbaker/astropy,funbaker/astropy,lpsinger/astropy,joergdietrich/astropy,AustereCuriosity/astropy,dhomeier/astropy,StuartLittlefair/astropy,DougBurke/astropy,kelle/astropy,larrybradley/astropy,lpsinger/astropy,dhomeier/astropy,tbabej/astropy,MSeifert04/astropy,larrybradley/astropy,pllim/astropy,pllim/astropy,AustereCuriosity/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,kelle/astropy,joergdietrich/astropy,mhvk/astropy,bsipocz/astropy,kelle/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,tbabej/astropy,joergdietrich/astropy,AustereCuriosity/astropy,joergdietrich/astropy,DougBurke/astropy,astropy/astropy