So there was a situation where trajctories were found but the waitgro…

…up stopped earlya dn data was not written.

I think I solved the issue, not too sure though. Also trying to reproduce the results I found two days ago

cmd/designer/conf.toml

@@ -13,4 +13,4 @@ enabled = true
 directory = "../../cmd/refframes"
 horizonDir = "../../data/horizon" # Files *must* be named to answer to fmt.Sprintf("%s-%04d", planetName, year) // TODO: Switch to a month too
 horizonCSV = true # Set to False to compute each ephemeride separately
-truncation = "12h" # Set to a Duration that can be parsed. Correspond to the truncation to use.
+truncation = "2h" # Set to a Duration that can be parsed. Correspond to the truncation to use.

cmd/designer/finalprj-neptune.toml

@@ -2,41 +2,41 @@
 fileprefix = "prj-neptune"
 outputdir = "outputs"
 verbose = true
-step = "6h"
+step = "24h"
 flybyplanets = "Venus Earth Jupiter"
 
 [launch]
 planet = "Earth"
-from = "2026-07-15 00:00:00"
-until = "2026-09-15 00:00:00"
+from = "2026-08-17 00:00:00"
+until = "2026-08-19 00:00:00"
 resolution = 1
-maxC3 = 13
+maxC3 = 40
 
 [arrival]
 planet = "Neptune"
-from = "2048-06-25 00:00:00"
-until = "2051-07-01 00:00:00"
-maxVinf = 7
+from = "2046-06-29 00:00:00"
+until = "2046-07-02 00:00:00"
+maxVinf = 14
 
 [flyby.Venus]
 position = 1
-from = "2027-02-15 00:00:00"
-until = "2027-03-26 00:00:00"
-deltaV = 0.91
+from = "2027-03-04 00:00:00"
+until = "2027-03-07 00:00:00"
+#deltaV = 1.01
 periapsis = 1.01
 
 [flyby.Earth]
 position = 2
 deltaV = 1.0
-from = "2027-12-04 00:00:00"
-until = "2028-01-15 00:00:00"
+from = "2027-12-20 00:00:00"
+until = "2027-12-22 00:00:00"
 periapsis = 1.01
 resonant = true
 resonance = 2
 
 [flyby.Jupiter]
 position = 3
-deltaV = 0.6
-from = "2031-12-01 00:00:00"
-until = "2032-10-31 00:00:00"
+deltaV = 1.0
+from = "2032-04-14 00:00:00"
+until = "2032-04-17 00:00:00"
 periapsis = 2.5

cmd/designer/galileo.toml

@@ -2,7 +2,7 @@
 fileprefix = "galileo"
 outputdir = "outputs"
 verbose = true
-step = "24h"
+step = "2h"
 flybyplanets = "Venus Earth"
 
 [launch]

cmd/designer/helper.go

@@ -88,6 +88,7 @@ func StreamResults(prefix string, planets []smd.CelestialObject, rsltChan <-chan
 	for rslt := range rsltChan {
 		f.WriteString(rslt.CSV() + "\n")
 	}
+	wg.Done() // Done writing everything.
 }
 
 type target struct {

cmd/designer/main.go

@@ -137,6 +137,7 @@ func main() {
 		f.Close()
 		return
 	}
+	wg.Add(1) // For the output writing.
 	for launchDT, c3PerDay := range c3Map {
 		for arrivalIdx, c3 := range c3PerDay {
 			if c3 > launch.maxC3 || c3 == 0 {
@@ -166,6 +167,7 @@ func main() {
 		}
 	}
 	log.Println("[info] All valid launches started")
+	//close(rsltChan)
 	wg.Wait()
 	log.Println("[info] Done")
 }
@@ -306,6 +308,7 @@ func GAPCP(launchDT time.Time, inFlyby Flyby, planetNo int, vInfIn []float64, pr
 				}
 				// All done, let's free that CPU
 				<-cpuChan
+				wg.Done() // Call to release CPU
 			} else {
 				// Spawn the next flyby computation.
 				GAPCP(ga2DT, inFlyby.PostResonance(), planetNo, vInfOutGA2, result)