Comet 90001131 187P/LINEAR Observation Details
187P/LINEAR Daily Motion
187P/LINEAR will rise at 20:45, during twilight, and will ascend to 65° by the time twilight ends at 03:25.90001131 187P/LINEAR will be visible until May, 23, 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.
187P/LINEAR Visibility Timetable on September 24
187P/LINEAR Rise and Set Timetable
| Time | Elevation | |
| Moon Rise, 3.2% illuminated | 06:45 | 76° |
| Moon Set | 17:48 | -11° |
| Astrosession begin | 18:33 | -10° |
| 187P/LINEAR rise | 20:45 | |
| Astrosession end | 03:25 | 65° |
| Civil sunrise | 04:27 | 76° |
| Sunrise | 04:54 | 81° |
| 187P/LINEAR transit | 05:34 | 86° |
Track 187P/LINEAR Position Throughout the Night
← Wed, 24 September 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe 187P/LINEAR changing position in the night sky.
187P/LINEAR Description
187P/LINEAR, designated as 90001131 187P/LINEAR, is an Encke-type comet. At the moment, 90001131 187P/LINEAR is 4.608 AU (689,302,109 km) from Earth, and it is located in the constellation Auriga.Current position of 187P/LINEAR in Solar System
| Date | Wed, 24 September 2025 |
| Distance from Earth to 187P/LINEAR | 4.5925 AU (687,028,221km) |
| Elongation | 83° |
| Angular diameter | " |
| Magnitude | 19.4 |
Finder Chart for 187P/LINEAR
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| Object name | 90001131 187P/LINEAR |
| Field of view | |
| Limiting magnitude | |
| 90001131 187P/LINEAR coordinates | 6.68453, 41.57519 |
| Center coordinates | 6.68453, 41.57519 |
Annual motion of 187P/LINEAR
| Date | Wed, 24 September 2025 |
| Twighlight start | 18:28 |
| Twighlight end | 03:20 |
| Twighlight duration | 9h 52m |
| Rise | 20:45 |
| Set | 14:24 |
| Elevation at transit | 86° |
| Transit time | 05:34 |
| Equatorial coordinates | RA: 06h 41m 45s", Dec: 41° 37' 49s |
| Magnitude | 19 |
| Constellation | Auriga |
The graph illustrates the annual visibility pattern of a 187P/LINEAR, 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 187P/LINEAR 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 187P/LINEAR 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 90001131 187P/LINEAR
Coordinates & Visibility
| Right Ascension | 6.68453° |
| Declination | 41.57519° |
| Magnitude | 19.4 |
| Constellation | Auriga |
| Elevation | 12° |
| Azimuth | 46.2° |
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.