![](/assets/missions/a13/images/illustration/act2.c2ff821b1ce2.gif)
Earth orbit
Start readingWhen Apollo 13 reached Earth orbit, it was still attached to part of the Saturn V rocket (the S-IVB ‘ess-four-bee’ stage). Two hours later, the S-IVB's engine was restarted to propel the spacecraft out of orbit and onto a course towards the Moon.
Activity
00 00 12 00 to 00 02 41 00
![Frequency of lines in Earth orbit](/assets/missions/a13/images/stats/graph_a13_1.1908dbfa08cb.png)