Comet 90004908 C/2025 K1 (ATLAS) Observation Details
/90004908 C/2025 K1 (ATLAS).png)
C/2025 K1 (ATLAS) Daily Motion
C/2025 K1 (ATLAS) is circumpolar, never setting below the horizon and always visible in the night sky from your location. However, it will change its position significantly, moving 67 degrees over time. You can find the best times to observe C/2025 K1 (ATLAS), when it reaches its highest elevation, in the annual motion section.90004908 C/2025 K1 (ATLAS) will be visible until March, 19, when it will move too close to the Sun. During this time, its proximity to the Sun will cause it to disappear from the night sky, making it unobservable for a while.
C/2025 K1 (ATLAS) Visibility Timetable on November 23
C/2025 K1 (ATLAS) Rise and Set Timetable
| Time | Elevation | |
| C/2025 K1 (ATLAS) is always above the horizon | ||
| Moon Rise, 5.5% illuminated | 07:24 | 55° |
| Sunset | 14:51 | 5° |
| Civil sunset | 15:21 | 4° |
| Astrosession begin | 16:24 | 4° |
| C/2025 K1 (ATLAS) is always above the horizon | ||
| Moon Set | 16:29 | 4° |
| Astrosession end | 03:24 | 70° |
| C/2025 K1 (ATLAS) transit | 04:03 | 71° |
| Civil sunrise | 04:27 | 70° |
| Sunrise | 04:57 | 69° |
Track C/2025 K1 (ATLAS) Position Throughout the Night
← Sun, 23 November 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe C/2025 K1 (ATLAS) changing position in the night sky.
C/2025 K1 (ATLAS) Description
C/2025 K1 (ATLAS), designated as 90004908 C/2025 K1 (ATLAS), is a comet on a hyperbolic (unbound) trajectory. At the moment, 90004908 C/2025 K1 (ATLAS) is 0.407 AU (60,937,197 km) from Earth, and it is located in the constellation Ursa Major.Current position of C/2025 K1 (ATLAS) in Solar System
| Date | Sun, 23 November 2025 |
| Distance from Earth to C/2025 K1 (ATLAS) | 0.40734 AU (60,937,197km) |
| Elongation | 105° |
| Angular diameter | " |
| Magnitude | 10.8 |
Finder Chart for C/2025 K1 (ATLAS)
Double-click to unlock the map.
| Object name | 90004908 C/2025 K1 (ATLAS) |
| Field of view | |
| Limiting magnitude | |
| 90004908 C/2025 K1 (ATLAS) coordinates | 10.10981, 56.423 |
| Center coordinates | 10.10981, 56.423 |
Annual motion of C/2025 K1 (ATLAS)
| Date | Mon, 24 November 2025 |
| Twighlight start | 16:19 |
| Twighlight end | 03:18 |
| Twighlight duration | 11h 59m |
| Rise | 90004908 C/2025 K1 (ATLAS) is always up |
| Set | 90004908 C/2025 K1 (ATLAS) is always up |
| Elevation at transit | 67° |
| Transit time | 03:41 |
| Equatorial coordinates | RA: 09h 49m 06s", Dec: 60° 18' 12s |
| Magnitude | 11 |
| Constellation | Ursa Major |
The graph illustrates the annual visibility pattern of a C/2025 K1 (ATLAS), providing a comprehensive overview of its daily appearances and transit times throughout the year.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the C/2025 K1 (ATLAS) is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
The graph is structured with the vertical axis showing the hours of the day, ranging from 12 AM to 12 AM the next day, while the horizontal axis spans each day of the year.
The reddish shaded area indicates the periods when the C/2025 K1 (ATLAS) is above the horizon, visible to observers. The white line marks the times when the celestial object reaches its highest point in the sky each day, known as the transit.
Astrometric & Physical Parameters of 90004908 C/2025 K1 (ATLAS)
Coordinates & Visibility
| Right Ascension | 10.10981° |
| Declination | 56.423° |
| Magnitude | 10.8 |
| Constellation | Ursa Major |
| Elevation | 69.7° |
| Azimuth | -16.6° |
Acknowledgments
We acknowledge NASA's Jet Propulsion Laboratory (JPL) for providing essential data on asteroids and comets through their Small-Body Database (SBDB) and Center for Near-Earth Object Studies (CNEOS). Their continuous efforts in tracking and cataloging these celestial bodies make it possible to offer accurate and up-to-date information on their positions, orbits, and physical characteristics.