Comet 90004912 C/2025 L1 (ATLAS) Observation Details
/90004912 C/2025 L1 (ATLAS).png)
C/2025 L1 (ATLAS) Daily Motion
Tonight, observing C/2025 L1 (ATLAS) may prove challenging owing to its low elevation. It will reach its transit at by 10:52 and set before sunset at 16:51. Rising near twilight's end at 04:58, it will fade away by 05:50, peaking at just 4° above the horizon.90004912 C/2025 L1 (ATLAS) will become visible in January, 7. After being too close to the Sun to observe, it will reappear in the night sky. Starting from January, 7, 90004912 C/2025 L1 (ATLAS) can be seen again, providing a good opportunity for observation.
C/2025 L1 (ATLAS) Visibility Timetable on August 13
C/2025 L1 (ATLAS) Rise and Set Timetable
| Time | Elevation | |
| C/2025 L1 (ATLAS) transit | 10:52 | 18° |
| C/2025 L1 (ATLAS) set | 16:51 | |
| Astrosession begin | 20:19 | -14° |
| Moon Rise, 75.6% illuminated | 22:41 | -18° |
| C/2025 L1 (ATLAS) rise | 04:58 | |
| Astrosession end | 05:50 | 4° |
| Civil sunrise | 06:39 | 8° |
| Sunrise | 07:02 | 9° |
| Moon Set | 11:07 | 18° |
Track C/2025 L1 (ATLAS) Position Throughout the Night
← Wed, 13 August 2025 →
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Shift the map to change the time and observe C/2025 L1 (ATLAS) changing position in the night sky.
C/2025 L1 (ATLAS) Description
C/2025 L1 (ATLAS), designated as 90004912 C/2025 L1 (ATLAS), is a comet on a hyperbolic (unbound) trajectory. At the moment, 90004912 C/2025 L1 (ATLAS) is 2.37 AU (354,531,994 km) from Earth, and it is located in the constellation Volans.Current position of C/2025 L1 (ATLAS) in Solar System
| Date | Wed, 13 August 2025 |
| Distance from Earth to C/2025 L1 (ATLAS) | 2.3699 AU (354,531,994km) |
| Elongation | 89° |
| Angular diameter | " |
| Magnitude | 16.6 |
Finder Chart for C/2025 L1 (ATLAS)
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| Object name | 90004912 C/2025 L1 (ATLAS) |
| Field of view | |
| Limiting magnitude | |
| 90004912 C/2025 L1 (ATLAS) coordinates | 7.34575, -71.91953 |
| Center coordinates | 7.34575, -71.91953 |
Annual motion of C/2025 L1 (ATLAS)
| Date | Thu, 14 August 2025 |
| Twighlight start | 20:15 |
| Twighlight end | 05:45 |
| Twighlight duration | 9h 30m |
| Rise | 04:58 |
| Set | 16:56 |
| Elevation at transit | 18° |
| Transit time | 10:57 |
| Equatorial coordinates | RA: 07h 29m 32s", Dec: -72° 06' 09s |
| Magnitude | 17 |
| Constellation | Volans |
The graph illustrates the annual visibility pattern of a C/2025 L1 (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 L1 (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 L1 (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.
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.