| Description: The mars_year element specifies the number of the Mars year relative to the reference date of April 11, 1955 (Mars solar longitude 0), which is defined as the start of Mars year 1. |
| Namespace Id: insight | Steward: geo | Class Name: Observation_Information | Type: ASCII_NonNegative_Integer |
| Minimum Value: 0 | Maximum Value: 18446744073709551615 | Minimum Characters: None | Maximum Characters: None |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: INTEGER |
| Status: Active | Nillable: false | Pattern: [0-9]+ |
| Permissible Value(s) | No Values | |