Lesson 2 of 8 · AESP-14 and station deployment
AESP-14: from station cargo to independent satellite
8 minute lesson · 3 checks along the way
Your goal for this lessonDistinguish delivery, deployment and commissioning in a station-based launch sequence.
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 small spacecraft inside a larger mission
AESP-14 was developed by Brazil’s Instituto Tecnológico de Aeronáutica with support from AEB and INPE. Its route to independent flight used the International Space Station as an intermediate stop. Dragon delivered it to the station on January 12, 2015. The small spacecraft was therefore already traveling around Earth while still being handled as cargo within a much larger inhabited spacecraft.
That distinction matters when reading mission timelines. A transport launch date can identify when the hardware left Earth, while a deployment date identifies when it began operating as a separate object. Neither date by itself establishes that an instrument returned useful measurements. A complete account follows the transitions and asks what each record actually demonstrates, instead of treating every use of the word launch as the same event.
Check 1 of 3
10 pointsUse the reading above. You can try again without losing points.
Read & understand
Kibo provides the deployment interface
JAXA records that AESP-14 was placed in Kibo’s airlock on January 29. The airlock was depressurized on February 4, and the spacecraft was deployed on February 5 under command from the flight-control team at Tsukuba. The JEM Small Satellite Orbital Deployer provided the between the stored and its release into the external environment. The station supplied handling and deployment infrastructure rather than becoming part of the satellite afterward.
Consider a fictional mission checklist with four entries: delivered to station, installed in deployer, released, and first valid received. A photograph of separation can support the third entry while leaving the fourth unresolved. A radio packet can support a later communications milestone if its origin and content are verified. It is useful to celebrate each step without allowing evidence for one step to stand in for all the others.
Separate the mission milestones
Original teaching diagram. Transport to station. Prepare the deployer. Release spacecraft. Identify first telemetry. Check spacecraft health. Commission the payload. A deployment report supports release; operational performance needs later evidence.
Open full-size diagram in a new tab: Separate the mission milestonesCheck 2 of 3
10 pointsUse the reading above. You can try again without losing points.
Read & understand
Commissioning starts a different investigation
checks whether the separated spacecraft is ready for its intended work. Operators may examine power state, temperatures, timing and communications before enabling more demanding activities. In a fictional case with no received signal, several explanations could remain: the transmitter, antenna, power supply, tracking prediction or receiving station might need investigation. Silence alone does not uniquely identify the failed component or prove that no part of the spacecraft is functioning.
The AESP-14 archive entry and JAXA deployment report let you reconstruct the transport and release history. The contemporary report speaks prospectively about Brazilian operations; it is not a later performance review. Keep that boundary when discussing the mission. Development and deployment can provide valuable training while operational objectives require their own evidence. This habit also helps compare student spacecraft with much larger missions that pass through similar readiness gates.
Check 3 of 3
10 pointsUse the reading above. You can try again without losing points.
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: JAXA: AESP-14 deployed from KiboRecords Dragon arrival on January 12 and independent deployment on February 5, 2015. The report describes deployment, not later payload performance.
- Read: ESA: mission control explainedCompare the explanation and its assumptions with the worked example in this lesson.
- Read: NASA: product realizationCompare the explanation and its assumptions with the worked example in this lesson.