Asteroid 15 Eunomia Observation Details
Eunomia Daily Motion
Tonight, observing Eunomia may prove challenging owing to its low elevation. It will reach its transit at by 08:54 and set before sunset at 14:54. Rising near twilight's end at 02:51, it will fade away by 03:43, peaking at just 11° above the horizon.15 Eunomia will become visible in November, 2. After being too close to the Sun to observe, it will reappear in the night sky. Starting from November, 2, 15 Eunomia can be seen again, providing a good opportunity for observation.
Eunomia Visibility Timetable on October 08
Eunomia Rise and Set Timetable
| Time | Elevation | |
| Eunomia transit | 08:54 | 53° |
| Eunomia set | 14:54 | |
| Moon Rise, 98.7% illuminated | 16:55 | -24° |
| Astrosession begin | 18:07 | -36° |
| Eunomia rise | 02:51 | |
| Astrosession end | 03:43 | 11° |
| Civil sunrise | 04:43 | 22° |
| Sunrise | 05:11 | 27° |
| Moon Set | 07:05 | 46° |
Track Eunomia Position Throughout the Night
← Wed, 8 October 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Eunomia changing position in the night sky.
Eunomia Description
Eunomia, designated as 15 Eunomia, is a main-belt asteroid, located between Mars and Jupiter in the solar system. With a diameter of 232 km, 15 Eunomia completes its orbit around the Sun in 4.3 years. At the moment, 15 Eunomia is 3.651 AU (546,181,826 km) from Earth, and it is located in the constellation Leo.Current position of Eunomia in Solar System
| Date | Wed, 8 October 2025 |
| Distance from Earth to Eunomia | 3.65 AU (546,032,228km) |
| Elongation | 31° |
| Angular diameter | " |
| Magnitude | 11.1 |
Finder Chart for Eunomia
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| Object name | 15 Eunomia |
| Field of view | |
| Limiting magnitude | |
| 15 Eunomia coordinates | 10.872682692087, 0.65677885007538 |
| Center coordinates | 10.872682692087, 0.65677885007538 |
Annual motion of Eunomia
| Date | Wed, 8 October 2025 |
| Twighlight start | 18:03 |
| Twighlight end | 03:36 |
| Twighlight duration | 10h 33m |
| Rise | 02:50 |
| Set | 14:51 |
| Elevation at transit | 53° |
| Transit time | 08:51 |
| Equatorial coordinates | RA: 10h 53m 41s", Dec: 00° 28' 48s |
| Magnitude | 11 |
| Constellation | Leo |
The graph illustrates the annual visibility pattern of a Eunomia, 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 Eunomia 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 Eunomia 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 15 Eunomia
Coordinates & Visibility
| Right Ascension | 10.872682692087° |
| Declination | 0.65677885007538° |
| Magnitude | 11.1 |
| Constellation | Leo |
| Elevation | 33.6° |
| Azimuth | 119.3° |
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.