Questions tagged [cubesat]

Type of satellite in the shape of a cube 10 cm on each side. Popular with academics and amateurs with a focus on off-the-shelf components.

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Was any data actually transmitted between OSCD and ISARA in the recent CubeSat lasercom test?

Two CubeSats (the OCSD and ISARA CubeSats) recently demonstrated technology for on-orbit sat-sat laser communications. All the information I have been able to find doesn't indicate if the test ...
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What is the estimate price for small ion thrusters on cubesats?

I can't find much about price for ion thruster and I read from somewhere that most ion thruster are off the rack product. I just need the rough estimate price for a small ion thruster and the closest ...
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How do we manage the residual magnetic moment of magnetorquer with a ferromagnetic core?

I'm currently working on a control algorithm, specifically in detumbling, for a 3U cubesat. I'm using magnetorquers for actuation and magnetometers to receive feedback. If I have no current passing ...
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Suggestions required on radiation tolerance solutions

I wanted to know what methods of increasing radiance tolerance for the microcontroller and memory devices for a Cubesat exist. We have read about methods like having dual CPUs but are there any ...
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What are ways to store hydrogen for electric propulsion without a heavy pressure vessel?

This comment points out that any advantages of using low-mass ionized atomic hydrogen (i.e. protons) for electric propulsion if you had a fixed acceleration voltage and plenty of electrical power ...
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Typical 1U CubeSat Detumbling time determination using passive control?

I would like to be able to estimate roughly how long it takes for a 1U cubesat using a permanent magnet for passive control to detumble after the deployment at about 550 km. Assuming there is some ...
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What are the prospects for comms with cubesats using “normal” internet connections?

Can a cubesat in orbit be operated like a R/C airplane in real time? edit: if the link here and the end aren't clear, I'm interested in the ease and convenience of access, the frequency of possible ...
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How close will the cubesats be when numerous of them are launched simultaneously?

Checking the onboard video of PSLV C43 gives a feel like the CubeSats are released in very proximity. Does this mean that these CubeSats will be orbiting in such very close proximity through out ...
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New Terran 1 rocket - launch costs for Cubesat

I was reading about the Terran 1 rocket and the fact that the founding company managed to secure the launch site at Cape Canaveral. Pretty amazing story on its own but then I looked at prices and they ...
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677 views

Which Cubesat Cameras Actually Worked in Orbit before 2019?

Short question: Which Cubesat Cameras Actually Worked in Orbit before the year 2019? Context and explanation: The very few missions which published at least one image I've found: Planet Labs ...
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Could you track small particles in space and could you control their position with lasers or reflected light?

If you released a large amount of small but precise particles (the size of glitter or confetti) is space, between a group of cube sats. Could you track the particles with cameras and/or lasers? And ...
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Info on NASA's NOS3 software and the rest of the suite used by STF-1

THE STF-1 cubesat project, in cooperation with NASA, has developed a whole suite of simulation software for small satellites. Info here: http://stf1.com/simulation.php And here: https://www.nasa....
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241 views

Number of Access Ports

I am currently developing a 3U CubeSat and following the Design specifications Rev. 13. there are 3 access ports. Must I provide 3 access ports or 1 access port in one of the locations defined by the ...
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Has a cubesat in LEO determined its orbit and position using only terrestrial cameras plus the Sun? (no GPS, starcam, uplink, magnetic sensors, etc.)

From LEO, a cubesat with several reasonable cell phone-like cameras (or better) can image the Earth and it seems straightforward for some standard pattern recognition algorithms to find the sunlit ...
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Cubesat mass density (kg/U) statistics?

The stuff of which COTS cubesats are made (aluminum, silicon, G10/FR-4, battery) has a density in the ballpark of 2 to 3 (g/cm^3) while vacuum is roughly 0. I'd always figured that cubesats built from ...
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Cubesat Launch Costs

What are tentative launch costs for 1U/3U cubesat on popular launchers? I checked up ISRO, SpaceX and others. Only RocketLab provides exact cost for cubesat as a piggy-back launch: \$77k / \$240k for ...
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What can Halosat do that can't be done already?

The GIF included in the BGR article Watch the International Space Station poop out a tiny satellite that will search for (missing) matter which shows a 3U 6U cubesat ejected from the ISS. The article ...
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How long does a CubeSat last?

If I were to launch a CubeSat, how long would it last before falling out of orbit and burning up in the atmosphere?
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How can the two MarCO cubesats remain reliably close to InSight during their six month trip to Mars?

According to the NASA JPL web page Mars Cube One (MarCO) Mission Overview and the YouTube video MarCO: First Interplanetary CubeSat Mission linked there, after the Centaur upper stage deploys InSight, ...
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Distributed computational power-sharing and orbital supercomputer

I had an interesting conversation last night with a nanosatellite engineer about how much computational power is required in a nanosatellite constellation and if it's necessary. I had an idea or a ...
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Use or tests of multimode optical fiber for cubesat battery charging or datalink while in storage, or waiting to launch?

the idea of POF or power over fiber is to couple a moderate amount of solid state laser light, say a few hundred milliWatts or even several Watts (or potentially more, but it gets more challenging), ...
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MarCo, Polo? Any further news, or images, or transmissions from the MarCo deep space cubesats?

Edit: Two more months have gone by since I posted this question. Can there still be no news? Nothing for the two MarCo cubesats to take photos of; not even each other? While InSight is still "...
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Can a swarm of nano-probes act as a phased antenna of a greater power?

One problem with nano-satellites and generally any small spacecraft is that you can't fit a powerful power source and antenna - their usability outside vicinity of 'adult' satellites or Earth is thus ...
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How will JAXA's space elevator-testing cubesat experiment work?

The Infobae article Japón inicia hoy el ambicioso proyecto de construir un ascensor espacial which translated from Spanish into English by Google says Japan begins today the ambitious project to ...
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Interface CSP over UART on PIC 24FJ256GA110 with no operating system [closed]

I am using a PIC 24FJ256GA110 without an operating system. Is there any reference code I can use as a starting point to write the driver for the GOMSpace transceiver? Also if someone has advice on ...
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416 views

Design Software Recommendations

I'm currently working on "base stones" of future cubesat mission and I'm doing some research for designing or simulation of cubesats. Software that I found on google costs enormous price and I'm ...
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Are the cubesats deployed from the ISS always directed “nadir and retrograde”?

@Tristan's answer to What are the orbital mechanical consideration behind hand-launched nanosatellites from the ISS? includes: If you launch nadir and retrograde, you will put the object into a ...
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Hyperspectral Imaging from Low Earth Orbit

We're going to be putting a CubeSat into orbit next year and want to use a hyperspectral imaging device onboard. My questions relates to the maths needed to calculate the imaging lens needed to ...
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Looking for info about commercial usage of satellites with examples [closed]

I'm doing research for an article and I'm looking for info about usage of satellites by commercial companies. For instance, usage of small satellites by insurance companies (imaging and etc.) or ...
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Cypress PSOC chips in a Cubesat

The Cypress PSoC line of microcontrollers, especially the PSOC 4 family are very versatile and capable, and seem a natural for use in cubesats. Unfortunately, at least one experiment: http://www.dtic....
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Why can't we use MIMO antennas in a cubesat?

I understand that there are no scatterers in communication between ground station and satellite but does it mean it cannot be used or is it just inefficient ?
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How was/Was Kalam-sat Recovered from the Ocean?

I was reading this article about Kalam-SAT and it states that: "Kalamsat fell into the sea. It will be recovered and NASA will be sending it back to us for decoding the data," [Srimathy Kesan, ...
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How will Astrocast's upcoming IoT (Internet of Things) network in space work? What kind of “things” will be networked?

The Space Daily article Astrocast signs contract with GomSpace Sweden to deliver propulsion systems says in part GomSpace Sweden - a subsidiary of GomSpace Group AB, has received an order from ...
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What are some objective that CubeSat's can complete/have completed?

I've been seriously considering looking into launching a CubeSat and it seems that the least of my worries would be design constraints. The money is less of an issue than the "why". There's plenty of ...
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CubeSat Design Requirements and Safety Restrictions?

I was reading XKCD, and came across this beautifully designed CubeSat: It is dubbed SafetySat: "During launch, in the event of an unexpected sensor reading, SafetySat will extend prongs in all ...
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Optimal Thruster Layout For Cubesat

I am working on a simulation of a Cubesat for rendezvous. Using the Clohessy-Wiltshire equations I calculate delta-v. Now that I know the thrust needed for operation, I would like to know how to ...
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394 views

MARS-CAT; What is a Cubesat Ambipolar Thruster and how does it work?

Trying to understand ion thrusters a little, I started looking at https://en.wikipedia.org/wiki/Ion_thruster#Propellants where I saw: The CubeSat Ambipolar Thruster (CAT) used on the Mars Array of ...
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How do Tom & Jerry (CANYVAL-X) measure their alignment with a distance source accurately?

According to the Spaceflight 101 article CANYVAL-X – Tom & Jerry: CANYVAL-X is a two-satellite CubeSat mission aiming to demonstrate a Vision Alignment System that could enable a virtual ...
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Typical time for a cubesat to start up after it is deployed

How long do cubesat take to start up completely after they are deployed? I know the cubesat standard requires 30 minutes after initial separation from the launcher to deploy deployables such as ...
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391 views

With current or near-future Cubesat propulsion technology, largest aphelion achievable?

Propulsion technology for cubesats and nanosatellites is in active development, but there are at least a few based on sound principles that are likely to be tested in the next few years. There are ...
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Data from Cubesat as web API

I’m doing some research for possible cubesat mission and I spent days on the internet and in books trying to find a simple answer to my dumb question. I’m completely new in this field so I’m not sure ...
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How to determine the optimal orbit for a LEO satellite

Our goal is to determine the best orbit that will allow a ground station (so this is a fixed point on earth) to communicate a maximum number of times par day with a LEO satellite. So the question is :...
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What are the absolute maximum dimensions of a proper 6U cubesat? Does ASTERIA comply?

At one point there were formal specifications for cubesat dimensions. I know it's a bit larger than precisely $10m \times 10n \times 10$ centimeters, where $m=1, 2$ and $n=1, 2, 3$ but I am not sure ...
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Raspberry Pis in Space?

I'm aware of the Astro Pi (1, 2, 3, 4) on board the ISS, but have there been any other instances of the RPi in space (Astro or not), for example in cubesats or other spacecraft which contain a ...
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Flying Laptop? 2017-042G; 42831

The recent July 14, 2017 launch of KANOPUS-V-IK also brought along many other payloads, including some smaller satellites and a bunch of cubesats, and deployed them at different altitudes between ...
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Successful Linux-based Cubesat missions?

Has anyone had any experience with successful Linux-based flight computer on Cubesat missions? What Linux hardware was used and what problems did you encounter? I am contracted to write flight/ground ...
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How long would a satellite fly on a sun-synchronous 600km orbit?

How long would it take for a 12U cubesat on a circular polar orbit with altitude 600 km to fall down to 500 km? Please, add references/calculations to your answer.
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Cubesat 6U and 12U maximum weight

What is the maximum weight for 6U and 12U cubesat in kg.? Please, give links/references. In this link it's stated that, 6U is 12kg, 12U is 24kg. But 1U is 1.33 kg, how is it possible?
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Would space exploration benefit by sending small drones instead of huge rockets?

For e.g. if we want a telescope in space, can't we assemble it in space? Send the constituent assembly parts up there (unmanned). Have the individual units, assemble (unmanned) to constitute the ...
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Can I use Arduino for a cubesat? [duplicate]

we are building a cubesat and we have considered using an arduino as the computer. However I'm not sure if that is smart. I mean will the arduino get damaged in some sort? Is arduino suitable to do ...