Choose sun-synchronous only if you know the satellite will do orbit keeping maneouvres to remain within the SSO nominal orbit. See more info here http://1.help.taitussoftware.com/SaVoir/help/content/6.advanced/sso%20flag/ssoflag.htm What does map show in GUI? How to plan on an AOI simultaneously with Cartosat-2C, Cartosat-2D, Cartosat-2E and Cartosat-2F with all satellites as a group?