Comet 90001475 493P/LONEOS Observation Details
493P/LONEOS Daily Motion
90001475 493P/LONEOS will be visible until May, 19, 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.
493P/LONEOS Visibility Timetable on October 14
493P/LONEOS Rise and Set Timetable
| Time | Elevation | |
| Moon Set | 13:26 | -1° |
| 493P/LONEOS rise | 16:43 | |
| Civil sunset | 16:59 | 1° |
| Astrosession begin | 17:59 | 6° |
| Moon Rise, 44.2% illuminated | 22:18 | 40° |
| 493P/LONEOS transit | 02:52 | 78° |
| Astrosession end | 03:48 | 74° |
| Civil sunrise | 04:49 | 66° |
| Sunrise | 05:16 | 62° |
Track 493P/LONEOS Position Throughout the Night
← Tue, 14 October 2025 →
| Time | |
| Altitude | |
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Shift the map to change the time and observe 493P/LONEOS changing position in the night sky.
493P/LONEOS Description
493P/LONEOS, designated as 90001475 493P/LONEOS, is a Chiron-type comet. At the moment, 90001475 493P/LONEOS is 3.328 AU (497,831,794 km) from Earth, and it is located in the constellation Auriga.Current position of 493P/LONEOS in Solar System
| Date | Tue, 14 October 2025 |
| Distance from Earth to 493P/LONEOS | 3.3278 AU (497,831,794km) |
| Elongation | 115° |
| Angular diameter | " |
| Magnitude | 17.9 |
Finder Chart for 493P/LONEOS
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| Object name | 90001475 493P/LONEOS |
| Field of view | |
| Limiting magnitude | |
| 90001475 493P/LONEOS coordinates | 5.30404, 49.36742 |
| Center coordinates | 5.30404, 49.36742 |
Annual motion of 493P/LONEOS
| Date | Wed, 15 October 2025 |
| Twighlight start | 17:57 |
| Twighlight end | 03:46 |
| Twighlight duration | 10h 49m |
| Rise | 16:37 |
| Set | 13:00 |
| Elevation at transit | 78° |
| Transit time | 02:49 |
| Equatorial coordinates | RA: 05h 18m 22s", Dec: 49° 29' 38s |
| Magnitude | 18 |
| Constellation | Auriga |
The graph illustrates the annual visibility pattern of a 493P/LONEOS, 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 493P/LONEOS 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 493P/LONEOS 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 90001475 493P/LONEOS
Coordinates & Visibility
| Right Ascension | 5.30404° |
| Declination | 49.36742° |
| Magnitude | 17.9 |
| Constellation | Auriga |
| Elevation | 8.2° |
| Azimuth | -31.3° |
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.