| Description: observed_event_start_time_utc indicates the UTC value for earliest time in the described data. It is part of a start/stop pair. If one of observed_event_start_time_utc and observed_event_stop_time_utc is used, both must be used. | 
| Namespace Id: rings | Steward: rings | Class Name: Occultation_Ring_Profile | Type: ASCII_Date_Time_YMD_UTC | 
| Minimum Value: None | Maximum Value: None | Minimum Characters: None | Maximum Characters: None | 
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING | 
| Status: Active | Nillable: false | Pattern: None | 
| Permissible Value(s) | No Values |  |