SKYWATCH INCIDENT REPORT PRIMARY CODE: UNIDENTIFIED AERIAL PHENOMENON Date: 22:22 06/15/2024 Callsign: UAL1835 Origin: DEN Status: Closed Aircraft: A319 Destination: TYS POD: DEN Tail Number: New Destination: Reporting Facility: D01 Operator: UAL Operator Type: Commercial Paged: YES REMARKS Aircraft reported an unidentified aerial phenomenon below while S bound at 11,000 feet, 10 NM S of DEN. The unknown phenomenon was red and blue, 3 to 4 feet in diameter at approximately 10,000 feet. The UAP was not observed on ATC facility radar system. SKYWATCH INCIDENT REPORT | DATE: 2024-06-15T22:22 | POD: DEN | PAGE 1 of 1