Grey Debris

PL Payload PD Payload debris PM Payload mission related object PF Payload fragmentation debris UI Unidentified RB Rocket body RD…

rocket body collision
Black Swan Events

According to the dictionary definitions, Black Swan events are those which are statistically very unlikely to occur; and as a…

Striving for Precision SSA

The need for improved situational awareness of the space operating environment, or “SSA”, is growing, with over 95% of the…

The affect of solar activity on the debris population
An active Sun causes the atmosphere to expand, increasing the drag on all objects, and causing the ones in the lowest orbits to re-enter the Earth’s atmosphere, thereby decreasing the total debris population. But what can we expect if the Sun enters a "grand minimum"?