Comet 90004796 C/2023 H5 (Lemmon) Observation Details
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C/2023 H5 (Lemmon) Daily Motion
90004796 C/2023 H5 (Lemmon) will be visible until January, 27, 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 H5 (Lemmon) Visibility on March 13
90004796 C/2023 H5 (Lemmon) is Not visible tonight
C/2023 H5 (Lemmon) Rise and Set Timetable
| Time | Elevation | |
| C/2023 H5 (Lemmon) is always above the horizon | ||
Moon Rise, 44.5% illuminated  | 02:26 | 29° |
| C/2023 H5 (Lemmon) transit | 08:55 | 66° |
| Moon Set | 11:47 | 54° |
| Sunset | 17:11 | 19° |
| Civil sunset | 17:38 | 17° |
| Astrosession begin | 18:39 | 13° |
| C/2023 H5 (Lemmon) is always above the horizon | ||
| Astrosession end | 03:54 | 39° |
| Civil sunrise | 04:55 | 47° |
| Sunrise | 05:22 | 50° |
Track C/2023 H5 (Lemmon) Position Throughout the Night
← Fri, 13 March 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe C/2023 H5 (Lemmon) changing position in the night sky.
C/2023 H5 (Lemmon) Description
C/2023 H5 (Lemmon), designated as 90004796 C/2023 H5 (Lemmon), is a comet on a hyperbolic (unbound) trajectory. At the moment, 90004796 C/2023 H5 (Lemmon) is 5.042 AU (754,302,384 km) from Earth, and it is located in the constellation Cepheus.Current position of C/2023 H5 (Lemmon) in Solar System
| Date | Fri, 13 March 2026 |
| Distance from Earth to C/2023 H5 (Lemmon) | 5.0422 AU (754,302,384km) |
| Elongation | 70° |
| Angular diameter | " |
| Magnitude | 17.3 |
Finder Chart for C/2023 H5 (Lemmon)
Double-click to unlock the map.
| Object name | 90004796 C/2023 H5 (Lemmon) |
| Field of view | |
| Limiting magnitude | |
| 90004796 C/2023 H5 (Lemmon) coordinates | 21.16135, 61.5735 |
| Center coordinates | 21.16135, 61.5735 |
Annual motion of C/2023 H5 (Lemmon)
| Date | Sat, 14 March 2026 |
| Twighlight start | 18:35 |
| Twighlight end | 03:48 |
| Twighlight duration | 9h 12m |
| Rise | 90004796 C/2023 H5 (Lemmon) is always up |
| Set | 90004796 C/2023 H5 (Lemmon) is always up |
| Elevation at transit | 66° |
| Transit time | 08:49 |
| Equatorial coordinates | RA: 21h 11m 19s", Dec: 61° 35' 53s |
| Magnitude | 17 |
| Constellation | Cepheus |
The graph illustrates the annual visibility pattern of a C/2023 H5 (Lemmon), 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 H5 (Lemmon) 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. You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
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 H5 (Lemmon) 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. You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
Astrometric & Physical Parameters of 90004796 C/2023 H5 (Lemmon)
Coordinates & Visibility
| Right Ascension | 21.16135° |
| Declination | 61.5735° |
| Magnitude | 17.3 |
| Constellation | Cepheus |
| Elevation | 29.6° |
| Azimuth | -33° |
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.