Skip to content
Beta · Testing Phase // The modeling is being stress-tested for accuracy.
LIVE
Expedition 74 is in orbit right now · 7 crew · day 120
HSS LIVE FEED

Engine running · 6 subsystems live

Scenario Engine

Move the sliders and the model recalculates instantly. Whichever subsystem hits its limit first is the thing that ends the mission.

// Load Preset Mission

Mission Parameters SECTION 01
Crew Size25
Duration (days)180
EnvironmentISS-like
Life Support Configuration SECTION 02
Calories / person / day2400 kcal
Water / person / day11 L
Water recycling efficiency85%
Oxygen recycling efficiency90%
Onboard food production0% of need
Human Factors SECTION 03
Exercise complianceMed · 0.70
Habitat volume / personModerate
Privacy level40/100
Routine stability70/100
Leadership stability75/100
Can This Mission Work? PRIMARY

Modeled Mission Viability

CALCULATING

/100

What Fails First ONSET DAY

System

Onset

day

System Status 6 SUBSYSTEMS
Slide Through Time T+ 0d · 0%

Drag to see how the crew is doing at any point during the mission.

The Actual Weight CONSUMABLES MANIFEST

Food mass

lb stored

Water mass

lb net

Oxygen

lb net

Total consumables

lb · tons

Why This Happens DOMINANT CONSTRAINT

What Would Help TOP 3

    Model output, not mission design guidance. See methodology for sourcing.

    Run your own and see what breaks.