Research Article

Satellite Constellation Orbit Design Optimization with Combined Genetic Algorithm and Semianalytical Approach

Table 9

Summary of parameter variation optimization results.

VariationPercent coverageAverage revisit timeComputational loadPareto front

Increasing number of populationsBetter up to 29%Better up to 54%Worse up to 31%Increasing number of solutions in Pareto front
Increasing number of generationsBetter up to 48%Better up to 60%Worse up to 206%N/A
Increasing number of populations & generationsBetter up to 71%Better up to 69%Worse up to 293%Increasing number of solutions in Pareto front
Using a variation of , , , , and Better up to 33%Better up to 82%N/AN/A
Using a variation of , , and Better up to 5%Better up to 61%N/AN/A
Using a variation of and Better up to 29%Better up to 70%N/AN/A
Fuel penalty usedBetter up to 38%Better up to 54%N/AN/A
Semisparse constellation (Cases & )Better up to 25%Better up to 61%N/AN/A
Increasing number of satellites in constellationSame valueBetter up to 54%Worse up to 102%N/A