ESA Unveils Worrying Space Health Index

ESA Unveils Worrying Space Health Index

ESA shared a new metric this week to describe the current state of orbital congestion—and the number is a lot higher than you’d want it to be. ESA’s Space Environment Health Index currently sits at a 4. For reference, 1 is the threshold for long term orbital sustainability. The high grade suggests, at the current rate, that space will become increasingly costly over time and eventually, that entire orbits may become inaccessible to space operato…