Green Toolkit for Space
Interactive model

JASON Simplified Collision Model

This is an example of a computational tool, based on a publicly available Python Notebook used to illustrate the collision model included in the JASON report

JASON report on the impact of megaconstellations International
JASON report on the impact of megaconstellations Technical

The U.S. National Science Foundation commissioned a study by the independent science advisory group JASON to assess the impact of current and planned large satellite constellations on astronomical observations in 2020.

Issuing body
NSF
Jurisdiction
International
Date published
9 Jul 2026
Open source (opens in a new tab)
JASON Simplified Collision Model python notebook International
JASON Simplified Collision Model python notebook Technical

Make plots using the JASON simplified collision model This reproduces Fig. 20 of the JASON report on megaconstellations

Issuing body
Lawrence 2021
Jurisdiction
International
Date published
15 Dec 2021
Open source (opens in a new tab)
Components
Antennas Avionics Solar Panels