Home

Object Re-entry Emissions

Welcome to our tracker for objects re-entering the atmosphere! Select a time window of interest to visualise the location and ID of each re-entry for the time windows, mission type, and object categories selected. For more information, see the FAQs at the bottom of this section. Large ranges may be slow to load.

Filters

Updating the date range will clear any selected filters.

Frequently Asked Questions

Monthly Annual

Re-entry Details (Click arrow to expand)

[Emissions in tonnes, time in UTC. SMC=Satellite Megaconstellation, Cat=Category, P=Payload, C=Component, B=Booster, S=Stage.]

Date ID Time Location Name Cat SMC AlOx NOx BC HCl Cl Unablated Mass

Developed by Connor Barker (UCL postdoc) and Eloise Marais (UCL PI), in collaboration with Jonathan McDowell (Harvard-Smithsonian Center for Astrophysics). Interested in using the data or spot any room for improvements? Please reach out to Connor Barker at connor.barker@ucl.ac.uk. Funding Disclaimer: This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No. 851854). European Commission project page. Home button icons created by Freepik - Flaticon.