Solutons to 2C.5 4. The energy per mass of the spaceship is 0.918766. 7. Distance from black hole (seen from the satellite), between two first signals received:AU: 0.965931, SR: 8.42393| 7. Distance from black hole (seen from the satellite), between two last signals received:AU: 0.231734, SR: 2.02097| 7. Distance from black hole (seen from the planet), between two first signals received:AU: 0.97059, SR: 8.46457| 7. Distance from black hole (seen from the planet), between two last signals received:AU: 0.251492, SR: 2.19328|