VOYAGER 1 — 4 AUG 2026
170.87 AU
from Earth · 25.6 billion km
0
1 light-day
23.69 h
one-way light time
10.14 km/s
heliocentric speed
Voyager 1 is 98.69% of the way to the 1-light-day milestone — the point where a radio signal takes a full day to reach the spacecraft. At current separation rate (~26.9 km/s), the milestone falls ~December 2026.