Comet 90004926 C/2025 T1 (ATLAS) Observation Details
/90004926 C/2025 T1 (ATLAS).png)
C/2025 T1 (ATLAS) Daily Motion
C/2025 T1 (ATLAS) will reach its transit before twilight, at 12:33. By the onset of twilight at 16:24, it will be at elevation, and it will set before sunrise, at 18:59.90004926 C/2025 T1 (ATLAS) will be visible until December, 25, 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 T1 (ATLAS) Visibility Timetable on December 16
C/2025 T1 (ATLAS) Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 18% illuminated | 01:22 | -41° |
| Moon Set | 11:50 | 61° |
| C/2025 T1 (ATLAS) transit | 12:33 | 62° |
| Sunset | 14:49 | 48° |
| Civil sunset | 15:20 | 43° |
| Astrosession begin | 16:24 | 31° |
| C/2025 T1 (ATLAS) set | 18:59 | |
| Astrosession end | 03:41 | -26° |
| C/2025 T1 (ATLAS) rise | 06:07 |
Track C/2025 T1 (ATLAS) Position Throughout the Night
← Tue, 16 December 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe C/2025 T1 (ATLAS) changing position in the night sky.
C/2025 T1 (ATLAS) Description
C/2025 T1 (ATLAS), designated as 90004926 C/2025 T1 (ATLAS), is a Jupiter-family comet. At the moment, 90004926 C/2025 T1 (ATLAS) is 1.478 AU (221,105,653 km) from Earth, and it is located in the constellation Aquila.Current position of C/2025 T1 (ATLAS) in Solar System
| Date | Tue, 16 December 2025 |
| Distance from Earth to C/2025 T1 (ATLAS) | 1.5011 AU (224,561,364km) |
| Elongation | 49° |
| Angular diameter | " |
| Magnitude | 16.1 |
Finder Chart for C/2025 T1 (ATLAS)
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| Object name | 90004926 C/2025 T1 (ATLAS) |
| Field of view | |
| Limiting magnitude | |
| 90004926 C/2025 T1 (ATLAS) coordinates | 20.03464, 9.78703 |
| Center coordinates | 20.03464, 9.78703 |
Annual motion of C/2025 T1 (ATLAS)
| Date | Tue, 16 December 2025 |
| Twighlight start | 16:20 |
| Twighlight end | 03:35 |
| Twighlight duration | 11h 15m |
| Rise | 06:02 |
| Set | 18:55 |
| Elevation at transit | 62° |
| Transit time | 12:29 |
| Equatorial coordinates | RA: 20h 04m 46s", Dec: 08° 58' 50s |
| Magnitude | 16 |
| Constellation | Aquila |
The graph illustrates the annual visibility pattern of a C/2025 T1 (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 T1 (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 T1 (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 90004926 C/2025 T1 (ATLAS)
Coordinates & Visibility
| Right Ascension | 20.03464° |
| Declination | 9.78703° |
| Magnitude | 16.1 |
| Constellation | Aquila |
| Elevation | 50.5° |
| Azimuth | -126.2° |
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.