Comet 90004785 C/2023 A3 (Tsuchinshan-ATLAS) Observation Details
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C/2023 A3 (Tsuchinshan-ATLAS) Daily Motion
C/2023 A3 (Tsuchinshan-ATLAS) will reach its transit before twilight, at 17:29. By the onset of twilight at 20:19, it will be at elevation, and it will set before sunrise, at 23:28.90004785 C/2023 A3 (Tsuchinshan-ATLAS) will be visible until September, 14, 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/2023 A3 (Tsuchinshan-ATLAS) Visibility Timetable on August 13
C/2023 A3 (Tsuchinshan-ATLAS) Rise and Set Timetable
| Time | Elevation | |
| C/2023 A3 (Tsuchinshan-ATLAS) transit | 17:29 | 88° |
| Sunset | 19:07 | 65° |
| Civil sunset | 19:29 | 60° |
| Astrosession begin | 20:19 | 47° |
| Moon Rise, 75.6% illuminated | 22:41 | 12° |
| C/2023 A3 (Tsuchinshan-ATLAS) set | 23:28 | |
| Astrosession end | 05:50 | -84° |
| Moon Set | 11:07 | -5° |
| C/2023 A3 (Tsuchinshan-ATLAS) rise | 11:26 |
Track C/2023 A3 (Tsuchinshan-ATLAS) Position Throughout the Night
← Wed, 13 August 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe C/2023 A3 (Tsuchinshan-ATLAS) changing position in the night sky.
C/2023 A3 (Tsuchinshan-ATLAS) Description
C/2023 A3 (Tsuchinshan-ATLAS), designated as 90004785 C/2023 A3 (Tsuchinshan-ATLAS), is a comet on a hyperbolic (unbound) trajectory. At the moment, 90004785 C/2023 A3 (Tsuchinshan-ATLAS) is 6.771 AU (1,012,867,343 km) from Earth, and it is located in the constellation Virgo.Current position of C/2023 A3 (Tsuchinshan-ATLAS) in Solar System
| Date | Wed, 13 August 2025 |
| Distance from Earth to C/2023 A3 (Tsuchinshan-ATLAS) | 6.7706 AU (1,012,867,343km) |
| Elongation | 68° |
| Angular diameter | " |
| Magnitude | 18.5 |
Finder Chart for C/2023 A3 (Tsuchinshan-ATLAS)
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| Object name | 90004785 C/2023 A3 (Tsuchinshan-ATLAS) |
| Field of view | |
| Limiting magnitude | |
| 90004785 C/2023 A3 (Tsuchinshan-ATLAS) coordinates | 13.98317, -2.08586 |
| Center coordinates | 13.98317, -2.08586 |
Annual motion of C/2023 A3 (Tsuchinshan-ATLAS)
| Date | Thu, 14 August 2025 |
| Twighlight start | 20:15 |
| Twighlight end | 05:45 |
| Twighlight duration | 9h 30m |
| Rise | 11:26 |
| Set | 23:25 |
| Elevation at transit | 88° |
| Transit time | 17:26 |
| Equatorial coordinates | RA: 13h 59m 22s", Dec: -2° 09' 19s |
| Magnitude | 19 |
| Constellation | Virgo |
The graph illustrates the annual visibility pattern of a C/2023 A3 (Tsuchinshan-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/2023 A3 (Tsuchinshan-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/2023 A3 (Tsuchinshan-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.