Lesson 1 of 7 · Electron and dedicated launch
Electron: deliver a small spacecraft to the orbit it needs
8 minute lesson · 3 checks along the way
Your goal for this lessonConnect launcher design, destination and ground facilities to a complete launch service.
In this lesson 3 sections · 3 checks
Using archive links & definitions
Follow a linked name to explore its archive card. “Back to your lesson” brings you to the same part of the reading.
Words with a dotted underline open a short definition right here in the lesson.
Read & understand
A smaller launcher serves a particular need
Electron provides dedicated launches for small satellites. Its liquid-fuel stages use Rutherford engines with electrically driven propellant pumps, followed by a that can refine payload delivery. Electrical pumping does not make the vehicle an electric rocket: combustion still provides the thrust. Different systems supply the energy for feeding propellant and for accelerating exhaust.
For a spacecraft team, the important destination is a specified orbit at a useful time. A rideshare opportunity may be economical but offer limited choice of schedule or orbital plane. A dedicated flight can give the customer more control, within the launcher’s actual capability. Neither choice is always better; the mission’s requirements determine which tradeoffs matter.
Electron on the pad at Māhia for the CAPSTONE mission in 2022. CAPSTONE is enclosed; the photograph shows its launch vehicle and ground support. Original NASA-hosted image preserved locally; display copies resized and converted to WebP.
Look closely
Which parts of the launch service are visible here?
See what to notice
The rocket and supporting ground infrastructure are visible. The payload is enclosed, so the photograph cannot show its instruments, deployment or later lunar operations.
Check 1 of 3
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Read & understand
A mass limit belongs to an orbit and configuration
Consider an invented launch allocation of 250 kilograms for payload and its deployment hardware. A 230-kilogram spacecraft and a 15-kilogram adapter total 245 kilograms, leaving five kilograms of mass allowance. That arithmetic does not establish compatibility by itself. The team must also check dimensions, structural loads, separation behavior and the exact destination used to calculate the allocation.
A manufacturer’s headline capacity usually describes a reference case. A more demanding orbit, different flight profile or additional hardware can change what the vehicle can carry. The useful comparison is between mission requirements and the offered configuration. Treating a maximum number as valid for every destination can hide a shortfall until late in development.
A useful allocation includes deployment hardware
Original teaching diagram. ALLOWANCE. 250 kg in this example. Check the stated destination. COMBINED LOAD. 230 kg + 15 kg = 245 kg. 5 kg mass margin remains. A passing mass budget does not verify dimensions, loads or separation.
Open full-size diagram in a new tab: A useful allocation includes deployment hardwareCheck 2 of 3
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Read & understand
Launch sites are part of the service
Rocket Lab operates Launch Complex 1 at Māhia in New Zealand and Launch Complex 2 in Virginia. Integration buildings, tracking, range coordination and control teams contribute alongside the pad. NASA’s CAPSTONE launched from New Zealand on 28 June 2022; that actual record takes precedence over earlier forecasts naming another site.
The spacecraft, launch provider and launch country therefore need separate entries in a mission history. A launch from New Zealand does not make every payload a New Zealand mission. Keeping these relationships clear lets a learner follow how a local facility supports international science while still recognizing who built, operates and uses the spacecraft.
Check 3 of 3
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Put it together
Your lesson progress
Each check connects to a part of the story. Complete all 3 to earn your 25-point lesson bonus.
Explore further · Optional
Go to the source
Explore the evidence behind this lesson. These optional readings and videos open in a new tab.
- Read: Rocket Lab: ElectronVehicle architecture, liquid propellants, electric-pump-fed engines and the separate kick stage. Published maximum performance is not a promise for every orbit.
- Read: Rocket Lab: launch facilitiesDistinguishes Māhia Launch Complex 1 from Virginia Launch Complex 2 and describes integration and control facilities.
- Read: NASA: CAPSTONE launches from New ZealandDated 28 June 2022 launch record supersedes earlier site and schedule forecasts.