Comet 90000566 48P/Johnson Observation Details
48P/Johnson Daily Motion
90000566 48P/Johnson will be visible until April, 9, 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.
48P/Johnson Visibility Timetable on September 24
48P/Johnson Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 3.2% illuminated | 06:45 | 29° |
| Moon Set | 17:48 | -32° |
| Astrosession begin | 18:33 | -25° |
| 48P/Johnson rise | 20:43 | |
| 48P/Johnson transit | 02:57 | 57° |
| Astrosession end | 03:25 | 57° |
| Civil sunrise | 04:27 | 51° |
| Sunrise | 04:54 | 48° |
| 48P/Johnson set | 09:11 |
Track 48P/Johnson Position Throughout the Night
← Wed, 24 September 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe 48P/Johnson changing position in the night sky.
48P/Johnson Description
48P/Johnson, designated as 90000566 48P/Johnson, is an Encke-type comet. At the moment, 90000566 48P/Johnson is 1.881 AU (281,318,796 km) from Earth, and it is located in the constellation Taurus.Current position of 48P/Johnson in Solar System
| Date | Wed, 24 September 2025 |
| Distance from Earth to 48P/Johnson | 1.8741 AU (280,361,369km) |
| Elongation | 120° |
| Angular diameter | " |
| Magnitude | 17.1 |
Finder Chart for 48P/Johnson
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| Object name | 90000566 48P/Johnson |
| Field of view | |
| Limiting magnitude | |
| 90000566 48P/Johnson coordinates | 4.06611, 4.84872 |
| Center coordinates | 4.06611, 4.84872 |
Annual motion of 48P/Johnson
| Date | Wed, 24 September 2025 |
| Twighlight start | 18:28 |
| Twighlight end | 03:20 |
| Twighlight duration | 9h 52m |
| Rise | 20:43 |
| Set | 09:11 |
| Elevation at transit | 57° |
| Transit time | 02:57 |
| Equatorial coordinates | RA: 04h 04m 02s", Dec: 04° 47' 43s |
| Magnitude | 17 |
| Constellation | Taurus |
The graph illustrates the annual visibility pattern of a 48P/Johnson, 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 48P/Johnson 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 48P/Johnson 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 90000566 48P/Johnson
Coordinates & Visibility
| Right Ascension | 4.06611° |
| Declination | 4.84872° |
| Magnitude | 17.1 |
| Constellation | Taurus |
| Elevation | -38.6° |
| Azimuth | 41.9° |
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.