Choose an event within the window of opportunity to trigger each slew, or select Optimal to change attitude whenever the slew can be performed most efficiently.
| Member | Value | Description | 
|---|---|---|
| eVeSlewTimingBetweenTargetsUnknown | -1 | Unsupported or unknown slew option. | 
| eVeSlewTimingBetweenTargetsOptimal | 0 | Change attitude whenever the slew can be performed most efficiently. | 
| eVeSlewTimingBetweenTargetsSlewAfterTargetAcquisition | 1 | Start slewing toward a new target after it is in view. | 
| eVeSlewTimingBetweenTargetsSlewAfterTargetLoss | 2 | Start slewing away from current target after it is out-of-view. | 
| eVeSlewTimingBetweenTargetsSlewBeforeTargetAcquisition | 3 | Finish slewing toward a new target before it is in view. | 
| eVeSlewTimingBetweenTargetsSlewBeforeTargetLoss | 4 | Finish slewing away from current target before it is out-of-view. | 





