Astro Orbiter remains closed for unplanned maintenance/refurbishment at the Magic Kingdom.
The Tomorrowland attraction at the Walt Disney World Resort theme park was originally scheduled to reopen yesterday, 20th September, 2019, according to “literature” from Disney.
The ride showed operating hours for yesterday on the MyDisneyExperience app. Astro Orbiter has been closed since early July
According to Blog Mickey and WDWNT, Cast Members were unsure when the Astro Orbiter would reopen.