Comet 90004907 C/2025 J1 (Borisov) Observation Details
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C/2025 J1 (Borisov) Daily Motion
C/2025 J1 (Borisov) 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 27 degrees over time. You can find the best times to observe C/2025 J1 (Borisov), when it reaches its highest elevation, in the annual motion section.90004907 C/2025 J1 (Borisov) will be visible until May, 7, 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 J1 (Borisov) Visibility Timetable on July 23
C/2025 J1 (Borisov) Rise and Set Timetable
Time | Elevation | |
C/2025 J1 (Borisov) is always above the horizon | ||
Moon Rise, 8.1% illuminated | 03:29 | 27° |
C/2025 J1 (Borisov) transit | 15:36 | 54° |
Moon Set | 19:45 | 45° |
Sunset | 20:53 | 41° |
Civil sunset | 21:25 | 39° |
Astrosession begin | 22:47 | 35° |
C/2025 J1 (Borisov) is always above the horizon | ||
Astrosession end | 04:29 | 27° |
Civil sunrise | 05:51 | 28° |
Sunrise | 06:24 | 29° |
Track C/2025 J1 (Borisov) Position Throughout the Night
← Wed, 23 July 2025 →
Time | |
Altitude | |
Azimuth |
Shift the map to change the time and observe C/2025 J1 (Borisov) changing position in the night sky.
C/2025 J1 (Borisov) Description
C/2025 J1 (Borisov), designated as 90004907 C/2025 J1 (Borisov), is a Jupiter-family comet. At the moment, 90004907 C/2025 J1 (Borisov) is 5.044 AU (754,541,740 km) from Earth, and it is located in the constellation Draco.Current position of C/2025 J1 (Borisov) in Solar System
Date | Wed, 23 July 2025 |
Distance from Earth to C/2025 J1 (Borisov) | 5.0408 AU (754,092,947km) |
Elongation | 58° |
Angular diameter | " |
Magnitude | 18.8 |
Finder Chart for C/2025 J1 (Borisov)
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Object name | 90004907 C/2025 J1 (Borisov) |
Field of view | |
Limiting magnitude | |
90004907 C/2025 J1 (Borisov) coordinates | 10.11746, 76.53089 |
Center coordinates | 10.11746, 76.53089 |
Annual motion of C/2025 J1 (Borisov)
Date | Wed, 23 July 2025 |
Twighlight start | 22:43 |
Twighlight end | 04:23 |
Twighlight duration | 6h 40m |
Rise | 90004907 C/2025 J1 (Borisov) is always up |
Set | 90004907 C/2025 J1 (Borisov) is always up |
Elevation at transit | 54° |
Transit time | 15:32 |
Equatorial coordinates | RA: 10h 07m 57s", Dec: 76° 21' 24s |
Magnitude | 19 |
Constellation | Draco |
The graph illustrates the annual visibility pattern of a C/2025 J1 (Borisov), 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 J1 (Borisov) 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 J1 (Borisov) 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.