Comet 90001473 496P/Hill Observation Details
496P/Hill Daily Motion
496P/Hill will rise before twilight begins, at 18:38, and will reach 5° elevation by the time twilight commences at 19:05. It will reach its transit at 60° by 00:58 and gradually fade away as the night ends at 03:09, maintaining an elevation of around 47°.90001473 496P/Hill will be visible until November, 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.
496P/Hill Visibility Timetable on September 03
496P/Hill Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 75.5% illuminated | 14:44 | -39° |
| 496P/Hill rise | 18:38 | |
| Astrosession begin | 19:05 | 5° |
| Moon Set | 23:57 | 57° |
| 496P/Hill transit | 00:58 | 60° |
| Astrosession end | 03:09 | 47° |
| Civil sunrise | 04:13 | 36° |
| Sunrise | 04:41 | 31° |
| 496P/Hill set | 07:19 |
Track 496P/Hill Position Throughout the Night
← Wed, 3 September 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe 496P/Hill changing position in the night sky.
496P/Hill Description
496P/Hill, designated as 90001473 496P/Hill, is a Chiron-type comet. At the moment, 90001473 496P/Hill is 1.607 AU (240,448,658 km) from Earth, and it is located in the constellation Pisces.Current position of 496P/Hill in Solar System
| Date | Wed, 3 September 2025 |
| Distance from Earth to 496P/Hill | 1.6073 AU (240,448,658km) |
| Elongation | 149° |
| Angular diameter | " |
| Magnitude | 19 |
Finder Chart for 496P/Hill
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| Object name | 90001473 496P/Hill |
| Field of view | |
| Limiting magnitude | |
| 90001473 496P/Hill coordinates | 0.70406, 6.91619 |
| Center coordinates | 0.70406, 6.91619 |
Annual motion of 496P/Hill
| Date | Thu, 4 September 2025 |
| Twighlight start | 19:03 |
| Twighlight end | 03:08 |
| Twighlight duration | 8h 5m |
| Rise | 18:34 |
| Set | 07:14 |
| Elevation at transit | 60° |
| Transit time | 00:54 |
| Equatorial coordinates | RA: 00h 41m 47s", Dec: 06° 51' 44s |
| Magnitude | 19 |
| Constellation | Pisces |
The graph illustrates the annual visibility pattern of a 496P/Hill, 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 496P/Hill 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 496P/Hill 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 90001473 496P/Hill
Coordinates & Visibility
| Right Ascension | 0.70406° |
| Declination | 6.91619° |
| Magnitude | 19 |
| Constellation | Pisces |
| Elevation | 36.9° |
| Azimuth | -112.6° |
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.