Table 1.

Launcher trade-off between Soyuz and Ariane 5. Despite the higher costs, Ariane 5 launchers are considered the better option with the Soyuz being a viable descoping option.

Parameter\Launcher Soyuz Ariane 5
Performance at required escape speed 1850 kg 5255 kg
Cost per launch 75 M EUR 160 M EUR
Cylindrical fairing dimensions (h × Ø) 5060 × 3860 mm2 10,039 × 4570 mm2
Number of launchers required 3 2
Total mass delivered to transfer orbit 5550 kg 5255 kg
Total cost 225 M EUR 320 M EUR

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