Comet 90004917 C/2025 N1 (ATLAS) Observation Details
/90004917 C/2025 N1 (ATLAS).png)
C/2025 N1 (ATLAS) Daily Motion
C/2025 N1 (ATLAS) will not be observable tonight. It will reach its transit at 11° by 08:00 and set at 11:08. Throughout the night, from 16:24 to 03:41, it will be below the horizon. C/2025 N1 (ATLAS) will rise again after sunrise, at 04:47.90004917 C/2025 N1 (ATLAS) will become visible in February, 10. After being too close to the Sun to observe, it will reappear in the night sky. Starting from February, 10, 90004917 C/2025 N1 (ATLAS) can be seen again, providing a good opportunity for observation.
C/2025 N1 (ATLAS) Visibility Timetable on December 16
C/2025 N1 (ATLAS) Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 18% illuminated | 01:22 | -30° |
| C/2025 N1 (ATLAS) transit | 08:00 | 11° |
| C/2025 N1 (ATLAS) set | 11:08 | |
| Moon Set | 11:50 | -5° |
| Astrosession begin | 16:24 | -49° |
| Astrosession end | 03:41 | -8° |
| C/2025 N1 (ATLAS) rise | 04:47 | |
| Sunrise | 05:17 | 3° |
Track C/2025 N1 (ATLAS) Position Throughout the Night
← Tue, 16 December 2025 →
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| Altitude | |
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Shift the map to change the time and observe C/2025 N1 (ATLAS) changing position in the night sky.
C/2025 N1 (ATLAS) Description
C/2025 N1 (ATLAS), designated as 90004917 C/2025 N1 (ATLAS), is a comet on a hyperbolic (unbound) trajectory. At the moment, 90004917 C/2025 N1 (ATLAS) is 2.486 AU (371,855,427 km) from Earth, and it is located in the constellation Lupus.Current position of C/2025 N1 (ATLAS) in Solar System
| Date | Tue, 16 December 2025 |
| Distance from Earth to C/2025 N1 (ATLAS) | 2.477 AU (370,553,926km) |
| Elongation | 32° |
| Angular diameter | " |
| Magnitude | 15.3 |
Finder Chart for C/2025 N1 (ATLAS)
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| Object name | 90004917 C/2025 N1 (ATLAS) |
| Field of view | |
| Limiting magnitude | |
| 90004917 C/2025 N1 (ATLAS) coordinates | 15.49771, -41.98431 |
| Center coordinates | 15.49771, -41.98431 |
Annual motion of C/2025 N1 (ATLAS)
| Date | Tue, 16 December 2025 |
| Twighlight start | 16:20 |
| Twighlight end | 03:35 |
| Twighlight duration | 11h 15m |
| Rise | 04:48 |
| Set | 11:04 |
| Elevation at transit | 11° |
| Transit time | 07:56 |
| Equatorial coordinates | RA: 15h 30m 57s", Dec: -41° 44' 11s |
| Magnitude | 15 |
| Constellation | Lupus |
The graph illustrates the annual visibility pattern of a C/2025 N1 (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 N1 (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 N1 (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 90004917 C/2025 N1 (ATLAS)
Coordinates & Visibility
| Right Ascension | 15.49771° |
| Declination | -41.98431° |
| Magnitude | 15.3 |
| Constellation | Lupus |
| Elevation | 3.5° |
| Azimuth | 152.9° |
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.