☄️ Featured Comet
Comet C/2026 A1
ATLAS — The Comet of 2026
Discovered by the ATLAS survey in January 2026, this long-period comet may become one of the brightest naked-eye comets in years as it rounds the Sun later this year.
What Is Comet C/2026 A1?
Comet C/2026 A1 was discovered by the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey in January 2026 — the same program that discovered the notable Comet ATLAS (C/2019 Y4) in 2019. The "C/" designation tells us this is a non-periodic comet, meaning it takes thousands of years to complete one orbit around the Sun — if it ever returns at all.
What makes this one exciting: its trajectory brings it within striking distance of the inner solar system in late 2026, and early brightness estimates suggest it could reach naked-eye visibility. That's rare. Most comets fizzle out before they get close enough to put on a show.
Think of it this way — you're watching a visitor from the outer dark, a chunk of ancient ice and rock that formed when our solar system was young, now falling inward for perhaps the first time in human history. That's not nothing.
Orbital Profile
Orbit solution in progress. C/2026 A1 was discovered in January 2026 and JPL is still refining its orbital elements as new observations come in. This data will populate automatically once a full solution is published.
Estimated perihelion: late 2026 — check back as the orbit determination improves.
View on JPL Small Body Database →Position in the Solar System
Approximate diagram — inner solar system view. Comet position estimated for early 2026.
When Can You See It?
Early 2026 — Discovery & Approach
Currently approaching the inner solar system. Too faint for naked-eye observation — binoculars or a telescope required.
Mid 2026 — Brightening
Expected to become binocular-visible as it nears perihelion. Look for it in the pre-dawn sky in the northern hemisphere. Comets are notoriously unpredictable — estimates vary widely.
Late 2026 — Perihelion & Peak
Closest approach to the Sun. Potentially naked-eye visible, possibly with a visible tail. Whether it delivers depends on how much the nucleus holds together under solar heating — a lesson Comet ATLAS (2020) taught us the hard way.
Post-Perihelion — Fading
After rounding the Sun it fades back into the dark. If it's a non-returning comet, this is the only chance anyone alive will ever have to see it.
Understanding Visual Magnitude
Lower (or negative) numbers = brighter. Watch the perihelion date above — that's when peak brightness is expected.