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Twitter Satellite Constellation Visualization Bot
Published:
NOTE:
This post was intended as the start of a series on how to make a Twitter constellation visualization bot. However, recent updates to the Twitter API have meant that the repetitive nature of the posts have blocked the bot so I will be stopping this effort. I tried to modify my code to work with the new API but it has proved too time-consuming. Instead, I will be posting these GIFs to my personal website on a dedicated page.
Positioning for Space Traffic Management: an Overview of Challenges and Solutions
Published:
Now for a bit of a technical one… This posts assumes you have some knowledge of TLEs and orbital mechanics. But even if you don’t I think there will be something of interest here for you anyway.
Tracking Objects in Space: The Rise and Reign of Two-Line Elements
Published:
Brief History of TLEs
Keeping track of objects in space is no easy task. The first real concerted effort to systematically track earth orbiting satellites started back in 1957, with the launch of Sputnik 1. The US government quickly realized they needed a way to keep track of all the objects in space and thus, Project Space Track was born. In the early days, tracking was done through a combination of radar, telescopes, radio, and even citizen observations. These observations were then manually reduced, and corrections were determined in order to generate orbital elements that could be used for predictions.
research-areas
Identifying the limitations of current orbital solutions in Space Situational Awareness
Argument of Latitude at which TLEs are produced for the two largest constellations based on TLE source.
Data Visualization of Satellite Constellations
Data visualization of resident space objects across time-scales is one of the specialities of the group. 
Future Space Populations Tool
Medium-term modelling of the space environment. 
MSc Project: Aerodynamic Drag Modelling for LEO Mega-Constellations
This research project formed the basis of a master’s thesis on the impact of higher-fidelity aerodynamic drag modeling in the orbit propagation of spacecraft in low Earth orbit. The study involved developing a custom 3D aerodynamic drag model and comparing it to the widely-used SGP4 propagation. The research was conducted using a subset of the OneWeb and Starlink mega-constellations, covering around 40% of the total satellites.
High Fidelity Radiation Pressure Models for Spacecraft.
Recently, I’ve been working on developping a new approach for modeling radiation pressure on spacecraft. My focus has been on harnessing the latest advancements in computer rendering (leveraging the Mitsuba 3 Physics-Based Ray Tracer) to produce high-fidelity radiation pressure models derived from spacecraft CAD models.
PhD Thesis: High-Fidelity Radiation Force Models for Mega-Constellations: Enhancing Orbit Solutions for Space Traffic Management
Over the course of my PhD thesis I have been developping radiation force models for spacecraft in Low Earth Orbit.
Earth Radiation Pressure in LEO
CERES Flux Modeller.
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