About C/2025 N1 (ATLAS)
C/2025 N1 (ATLAS) is a mythic comet. It swings within 1.356 AU of the Sun at perihelion.
A visitor from another star system — it doesn't belong to our Sun at all.
Mythic comet 112 EP
C/2025 N1 (ATLAS)
Position computed live · sbdb
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Live ephemeris
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Score breakdown
· 4 badgesMythic Top tier reached ✦
- Interstellar visitor +80
- Retrograde orbit +18
- Has a proper name +8
- Comet +6
Total score 112
Badges
- Comet · +6
- Interstellar visitor · +80
- Retrograde orbit · +18
- Has a proper name · +8
Trivia
What makes it special
- Interstellar. A visitor from another star system — it doesn't belong to our Sun at all.
- Backwards orbit. Orbits against the grain — retrograde to almost everything else.
How we found it
- Named. Notable enough to have earned a proper name, not just a catalogue number.
Cosmic context
- One-way trip. On a hyperbolic path — it will leave the Solar System and never return.
- Tail. Its tail always points away from the Sun, never trailing behind its motion.
Properties
- eccentricity
- 6.1414
- inclination
- 175.12
- interstellar
- yes
- name
- C/2025 N1 (ATLAS)
- named
- yes
- orbit class
- HYP
- perihelion au
- 1.3563
- semi major au
- -0.2638
How to see it
Like any astronomical target, C/2025 N1 (ATLAS) is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. Because it moves against the background stars, the live position panel on this page tracks where it is right now. The visibility panel above works out tonight's viewing window for your saved location.
Why C/2025 N1 (ATLAS) is a mythic comet
C/2025 N1 (ATLAS) scores 112 points on Spacedle's rarity scale, which places it in the mythic tier.
That score comes from 4 science badges — Comet, Interstellar visitor, Retrograde orbit and Has a proper name — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.