The final data packet, sent on , contained:
In early 2032 the quiet, fluorescent‑lit conference room on the third floor of NASA’s Langley Research Center was filled with the low hum of laptops and the occasional clink of coffee cups. Dr. , a planetary scientist who had spent the previous decade mapping the icy moons of Jupiter, was about to introduce a project that would soon become the most talked‑about “quiet mission” in the agency’s history. SONE-059
On , with its battery nearing end‑of‑life, SONE‑059 executed a final delta‑v burn to place itself on a sun‑synchronous trajectory that would bring it within 0.03 AU of Earth in early 2040. The mission team decided to de‑orbit the probe safely, ensuring it would burn up in the atmosphere, adhering to the Space Debris Mitigation guidelines. The final data packet, sent on , contained: