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SF-500 · RENDERED

Budgetslive · derived via astro/

Payload MassOK

122 / 500 kg76% free

PowerOVER

2,825 / 2,500 W+325 over

DownlinkOK

10.0 / 48.0 Gbps79% free

VolumeOK

0.12 / 1.60 m³93% free

Wet Mass488 kg

Propellant6 kg

Δv Budget206 m/s

Eclipse38%

Array (req)4,556 W

Array Area13.1 m²

Battery2.14 kWh

Dry Mass482 kg

Violation· power

Power load exceeds SF-500 array

Orbit-average load is 2825 W against a 2500 W (EOL) array — 113% of capacity.

Switch propulsion to ChemicalElectric draws 1800 W continuously; chemical draws 30 W and clears the overage.

Upgrade to SF-2000SF-2000 generates 8000 W EOL — enough for the 2825 W load.

Warning· thermal

Passive thermal may be insufficient

High electrical load implies high waste heat; passive radiators may saturate.

Switch to Active thermalDeployable radiators + loop heat pipes handle high-power loads.

SF-500

ESPA-class · 1 payload · 24 units

Acquisition · 24 unitsmedium confidence

$560.4M

range $495.1M – $625.6M · 10% volume discount

First unit

Mar 2028

21 mo · batch 42.6 mo

Recurring

$1.1M/yr

lifecycle $565.8M

Resolve violations to quote

Violation· power

Power load exceeds SF-500 array

Orbit-average load is 2825 W against a 2500 W (EOL) array — 113% of capacity.

Switch propulsion to ChemicalElectric draws 1800 W continuously; chemical draws 30 W and clears the overage.

Upgrade to SF-2000SF-2000 generates 8000 W EOL — enough for the 2825 W load.

Warning· thermal

Passive thermal may be insufficient

High electrical load implies high waste heat; passive radiators may saturate.

Switch to Active thermalDeployable radiators + loop heat pipes handle high-power loads.

Power load exceeds SF-500 array

Passive thermal may be insufficient

SF-500

Power load exceeds SF-500 array

Passive thermal may be insufficient

Bus Class

Payloads

Propulsion

Comms / Downlink

ADCS Pointing

Redundancy

Radiation Tier

Thermal

Target Orbit

Quantity & Schedule

Software & Subscriptions

Services