Launch Economics & Constellation Fleet Simulator

Fleet Architecture Configurable

Target Constellation Size 12,000 sats Total operational satellites required in Low Earth Orbit (LEO). Individual Satellite Mass 300 kg Payload mass per satellite unit including propulsion & solar array. Satellite Orbital Lifespan 5.0 yrs Natural orbital decay & battery/electronics lifetime before de-orbit.

Launcher & Economics

LEO Payload Capacity 17.5 tons Net mass deliverable to standard ~550km inclination orbit. Booster Flights per Airframe 18 flights 1 = Expendable launcher; 15-20 = modern flight-proven stage. First Stage Production Cost $32.0M Expended Upper Stage + Fairings $11.5M Refurbishment & Recovery / Flight $1.8M Booster Turnaround Time 28 days Inspection, engine testing, and integration cycle between launches.

Amortized Launch Cost

$15.1M

$862 / kg to LEO

Total Launches Required

211 flights

57 sats / flight

5-Year Initial Build CapEx

$3.18 B

$265,000 / orbit seat

Annual Replenishment Run-Rate

43 flights/yr

$649M / year ongoing

Orbital Shell Ingestion & Active Fleet Cadence Year 2.5 Deployment Progress (50%)

Timeline: Yr 2.5

6,000 / 12,000 Sats

Unit Economics Breakdown Per Launch

Amortized First Stage Hardware $1.78M

Expended 2nd Stage & Fairing Net $11.50M

Recovery, Refurbishment & Drone Ship $1.80M

Fuel & Range Operations Overhead $0.45M

Effective Cost per Kg to LEO $862.86

Fleet & Pad Logistics Bottleneck Throughput

Active Boosters Needed in Pool 12 boosters

Minimum Launch Pads Required 3 pads

Monthly Launch Frequency 3.5 launches/mo

Equilibrium Decay Replacement Rate 2,400 sats/yr

5-Year Cumulative Mass to Orbit 3,600 metric tons

Model updated: 12,000 satellite constellation verified under 18x booster re-use.

Export JSON Model

The Global Launch Race: SpaceX vs. China's G60 Qianfan & Guowang

As reported by MarketWatch and aerospace analysts, China's commercial and state programs (such as Shanghai's 14,000-satellite Qianfan "Thousand Sails" constellation and the national 13,000-satellite Guowang network) face an acute bottleneck: reusable orbital lift capacity.

1. Reusability Is Not an Option, It's Math

Deploying a 12,000+ satellite constellation using expendable rockets (e.g. legacy Long March 2D/6A) requires over 600 dedicated launches costing $20B+ in hardware. Reusing boosters 15+ times slashes first-stage capital expenses by 85%, dropping cost-per-kg below $1,000.

2. The Turnaround & Pad Bottleneck

Having reusable boosters is insufficient without rapid turnaround. A 28-day turnaround allows a fleet of 10 boosters to sustain 45+ launches per year. If turnaround stretches to 90 days, the required factory production pipeline triples, suffocating capital efficiency.

3. The Satellite Replacement Treadmill

At a 5-year orbital lifespan, 20% of the entire constellation drops out of orbit every single year. For a 12,000-satellite network, operators must launch 2,400 replacement satellites annually just to maintain baseline coverage, turning launch cadence into a permanent utility.