Changes

=== Attitude Determination and Control (ADCS) ===

=== Attitude Determination and Control (ADCS) ===

[[File:Magnetorquer.jpg|thumb|A magnetorquer board from Sapling-2; those tiny lines are the coils of wire that generate a magnetic field!]]

[[File:Magnetorquer.jpg|thumb|A magnetorquer board from Sapling-2; those tiny lines are the coils of wire that generate a magnetic field!]]

Slack Channel: [https://ssi-teams.slack.com/messages/satellites-adcs satellites-adcs]                 Subteam Lead: Grant Regen

Slack Channel: [https://ssi-teams.slack.com/messages/satellites-adcs satellites-adcs]

 

Subteam Lead: Grant Regen

Welcome! As it says in the name, the ADCS subteam is focused on two major parts of our on-orbit operations: figuring out the orientation of the satellite, and controlling this orientation. This is a super important part of any satellite, especially ones that takes pictures like ours. For our past missions we've used sun sensors for our attitude determination and magnetorquer boards for control. The sun sensors measure how much light is hitting each of the six sides of the satellite; by combining information from all six sides, we can roughly determine where the sun is in relation to the satellite, and thus which direction we're pointing. Magnetorquer boards spin the satellite by creating a magnetic field that interacts with the Earth's magnetic field. This interaction creates a force on the satellite, spinning it around an axis.

Welcome! As it says in the name, the ADCS subteam is focused on two major parts of our on-orbit operations: figuring out the orientation of the satellite, and controlling this orientation. This is a super important part of any satellite, especially ones that takes pictures like ours. For our past missions we've used sun sensors for our attitude determination and magnetorquer boards for control. The sun sensors measure how much light is hitting each of the six sides of the satellite; by combining information from all six sides, we can roughly determine where the sun is in relation to the satellite, and thus which direction we're pointing. Magnetorquer boards spin the satellite by creating a magnetic field that interacts with the Earth's magnetic field. This interaction creates a force on the satellite, spinning it around an axis.

=== Avionics ===

=== Avionics ===

Slack channel: [https://ssi-teams.slack.com/messages/satellites-avionics satellites-avionics]             Subteam Lead: Hunter Liu

Slack channel: [https://ssi-teams.slack.com/messages/satellites-avionics satellites-avionics]

 

Subteam Lead: Hunter Liu

The avionics subteam focuses on all of the hardware on the satellite that makes the electronics system work! This "bus" hardware includes power, compute, and sensing systems. Our current flight computer, the central computer of the satellite that handles all information coming in and out and executes commands, is a modified PyCubed microcontroller that runs our CircuitPython flight code. The satellite is powered by a solar power system based off of the LT3652 chip and some NCR18650B batteries, and it also includes a sensing system with sun sensors, an inertial measurement unit (IMU), and thermistors to measure temperature.

The avionics subteam focuses on all of the hardware on the satellite that makes the electronics system work! This "bus" hardware includes power, compute, and sensing systems. Our current flight computer, the central computer of the satellite that handles all information coming in and out and executes commands, is a modified PyCubed microcontroller that runs our CircuitPython flight code. The satellite is powered by a solar power system based off of the LT3652 chip and some NCR18650B batteries, and it also includes a sensing system with sun sensors, an inertial measurement unit (IMU), and thermistors to measure temperature.

=== Payload ===

=== Payload ===

[[File:Smallsat-selfie-2023.jpg|thumb|This selfie was taken with the main camera of Sapling-2!]]

[[File:Smallsat-selfie-2023.jpg|thumb|This selfie was taken with the main camera of Sapling-2!]]

Slack channel: [https://ssi-teams.slack.com/messages/satellites-payload satellites-payload]             Subteam Lead: Niklas Vainio

Slack channel: [https://ssi-teams.slack.com/messages/satellites-payload satellites-payload]

 

Subteam Lead: Niklas Vainio

Welcome to the payload subteam! The payload often defines the mission of the satellite, so it's basically the most important part :) These payloads can be anything from telescopes like Hubble to communication systems like Starlink. Our recent satellites have largely focused on low-cost camera systems and radio modules. This subteam covers a huge variety of topics, so no matter your interests definitely join the Slack and reach out!  

Welcome to the payload subteam! The payload often defines the mission of the satellite, so it's basically the most important part :) These payloads can be anything from telescopes like Hubble to communication systems like Starlink. Our recent satellites have largely focused on low-cost camera systems and radio modules. This subteam covers a huge variety of topics, so no matter your interests definitely join the Slack and reach out!  

=== Software ===

=== Software ===

Slack channel: [https://ssi-teams.slack.com/messages/satellites-software satellites-software]           Subteam Lead: Kien Deshpande

Slack channel: [https://ssi-teams.slack.com/messages/satellites-software satellites-software]

 

Subteam Lead: Kien Deshpande

Here's the description

Here's the description

=== Structures ===

=== Structures ===

Slack channel: [https://ssi-teams.slack.com/messages/satellites-structures satellites-structures]         Subteam Leads: Jacob Mukobi, Siolé Mayeski, and Jeremy Merritt

Slack channel: [https://ssi-teams.slack.com/messages/satellites-structures satellites-structures]

 

Subteam Leads: Jacob Mukobi, Siolé Mayeski, and Jeremy Merritt

Hi! This is the structures subteam, where we design and build the core mechanical components of the satellite. The structure holds everything together and allows for the satellite to fit into CubeSat standard deployers, which push the satellite out of the spacecraft in orbit. If you're interested in mechanical engineering this is definitely the subteam for you, but of course everyone is welcome!

Hi! This is the structures subteam, where we design and build the core mechanical components of the satellite. The structure holds everything together and allows for the satellite to fit into CubeSat standard deployers, which push the satellite out of the spacecraft in orbit. If you're interested in mechanical engineering this is definitely the subteam for you, but of course everyone is welcome!

=== Systems ===

=== Systems ===

Slack channel: [https://ssi-teams.slack.com/messages/satellites-systems satellites-systems]             Subteam Lead: kinda everyone!

Slack channel: [https://ssi-teams.slack.com/messages/satellites-systems satellites-systems]  

 

Subteam Lead: kinda everyone!

The systems subteam is the subteam for everyone! We focus on making sure all the different pieces of the satellite work together and juggle the demands of various other subsystems. For example, our payload needs a certain amount of power but so does our ADCS system; the systems subteam is where these two groups can come together and work out who gets the available resources. In addition to these kinds of engineering discussions, we also work on administrative and operational topics.

The systems subteam is the subteam for everyone! We focus on making sure all the different pieces of the satellite work together and juggle the demands of various other subsystems. For example, our payload needs a certain amount of power but so does our ADCS system; the systems subteam is where these two groups can come together and work out who gets the available resources. In addition to these kinds of engineering discussions, we also work on administrative and operational topics.