Targeting Droo from Luna throws exceptions

Load sandbox
Enter map view
Select Droo
Click the Target button
Notice the error log

(frame: 1284) - Enter info taking a long time: 61 iterations...breaking
UnityEngine.Debug:LogErrorFormat(String, Object[])
ModApi.Assert:LogAssert(String, Object[]) (at ModTools/ModApi/ModApi/Utilities.Assert.cs:156)
Assets.Scripts.Flight.Sim.OrbitAnalyser:GetClosestEncounterInfo(Double, IOrbitNode, Double, Nullable1, Nullable1, IOrbitNode, Double, String) (at Assets/Scripts/Flight/Sim/OrbitAnalyser.cs:211)