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What you will get
Scenarios on Mondays: grounded, hour-by-hour forecasts of what happens next in orbit.
How it works on Wednesdays: how each class of debris can actually be cleared, and how ready each method is.
Articles on Fridays: the numbers, the missions, the money and the rules.
A monthly summary of the State of Orbit, written from the live catalog.
Recently published
Passivation: How a Spent Rocket Stage Is Made Unable to Explode
Most debris-creating breakups are not collisions. They are leftover fuel, pressurant and batteries, going off years after the mission ended.
The week the air came up: a severe storm over a crowded shell
In this scenario a severe geomagnetic storm thickens the air at 400 kilometres, thousands of satellites move at once, and for four days nobody can say where anything is.
The Other End of the Problem: What Reentry Actually Does
Reentry is the disposal plan for almost everything in low orbit. It is not a disappearance: it is a transfer of several thousand tonnes a year into the upper atmosphere.