It is a distance.
A light-day is the distance light travels in 24 hours: 25,902,068,356 kilometers, or about 16.095 billion miles.
Voyager 1 has traveled farther than anything humanity has ever built. In November 2026, it reaches another extraordinary milestone.
The moment Voyager 1 becomes the first human-made object roughly one full light-day from Earth.
Voyager 1 left Earth on September 5, 1977. It was launched after its twin, Voyager 2, but took a faster route through the solar system and reached Jupiter and Saturn first.
Its close encounter with Saturn's moon Titan changed the spacecraft's path, sending it northward out of the main plane of the planets. From there, Voyager 1's planetary tour became something much longer: a journey toward interstellar space.
Decades later, the spacecraft is still communicating across an enormous distance. The one-light-day milestone is not the end of the mission — it is another marker on a journey that has already outlived its original five-year design by generations.
A community project inspired by a spacecraft that kept moving long after its original mission was complete.
A light-day is the distance light travels in 24 hours: 25,902,068,356 kilometers, or about 16.095 billion miles.
Radio signals travel at the speed of light. At a one-light-day distance, a signal from Earth takes about 24 hours just to reach the spacecraft. A reply would need roughly another day to come back.
November 18 is a milestone, not a finish line. Voyager 1 continues outward through interstellar space as long as its systems can operate.
An independent community token inspired by Voyager 1 and its one-light-day milestone.
The verified token address will only be posted here and through the project's official social account. Always verify before interacting.
NASA describes one light-day as 25,902,068,356 kilometers and lists Voyager 1 reaching that distance on November 18, 2026.
The project is built around a real Voyager 1 milestone, so here are the important parts of the story — and the things worth verifying.
Voyager One is an independent community project inspired by NASA's Voyager 1 spacecraft and its November 2026 one-light-day milestone. The project uses the mission's themes — exploration, distance, persistence, and curiosity — as its creative identity. It is not an official NASA project and does not represent the Voyager mission team.
A light-day is a unit of distance: how far light travels in exactly 24 hours. NASA gives that distance as 25,902,068,356 kilometers (16,094,799,096 miles). Because radio waves also travel at the speed of light, a radio signal sent across a one-light-day distance takes about 24 hours to arrive.
NASA lists November 18, 2026 as the date Voyager 1 will become the first human-made object to be one light-day from Earth. The milestone is expected at 2:16:07 a.m. PST, which is 6:16:07 p.m. Philippine time. It marks distance from Earth — Voyager does not stop there.
Voyager 1 launched on September 5, 1977 on a fast trajectory toward Jupiter and Saturn. It flew by Jupiter in March 1979 and Saturn in November 1980. Its close Titan encounter redirected the spacecraft northward out of the main orbital plane, after which it continued toward the edge of the Sun's heliosphere and eventually into interstellar space.
On February 14, 1990, Voyager 1 looked back toward the solar system and photographed Earth from billions of kilometers away as part of a family portrait of the planets. Earth appeared as a tiny point of light. After those images were taken, Voyager 1's cameras were turned off so power could be conserved for the spacecraft's continuing scientific mission.
Yes. Voyager 1 crossed the heliopause in August 2012. The heliopause is the outer boundary of the heliosphere — the region dominated by the Sun's solar wind and magnetic influence. Crossing it made Voyager 1 the first spacecraft to enter interstellar space.
No. Voyager One / $VOY1 is an independent community project inspired by the historic mission. It is not affiliated with, sponsored by, or endorsed by NASA, JPL, or the official Voyager mission team. Official mission facts on this website are linked back to NASA sources.
The verified token address will be displayed on this website and the project's official social account once it exists. Until then, the contract field remains marked “Coming soon.” Any address posted elsewhere should be treated as unverified.
No. The Voyager milestone is a real spaceflight event, but it does not guarantee demand, price, liquidity, or future value for any token. $VOY1 is a separate community project, and anyone interacting with a crypto asset should independently verify the contract and understand the risks involved.
Voyager 1 keeps traveling. The milestone is one chapter in a much longer story, not an expiration date. The project can continue following Voyager's journey, mission history, distance milestones, and the science of communicating across interstellar space.