Comparing a RK4 TLE propagation to proper SGP4 TLE propagation
In the <20minutes it takes the ISS to cross the USA, the RK4 propagation (gold dot) diverges pretty significantly from the SGP4 propagation (ISS)
SciPy is a victim of it's own success. It replaces software created by thousands of engineers, but is largely constructed by a handful of volunteers on the weekends. This isn't sustainable.
- @fperez_org at #SciPy2021