Asteroid 11 Parthenope Observation Details
Parthenope Daily Motion
11 Parthenope will be visible until June, 29, 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.
Parthenope Visibility Timetable on January 10
Parthenope Rise and Set Timetable
| Time | Elevation | |
| Astrosession begin | 16:40 | -30° |
| Parthenope rise | 19:30 | |
| Moon Rise, 53.2% illuminated | 22:13 | 32° |
| Parthenope transit | 01:54 | 61° |
| Astrosession end | 03:49 | 51° |
| Civil sunrise | 04:53 | 40° |
| Sunrise | 05:23 | 35° |
| Parthenope set | 08:18 | |
| Moon Set | 09:26 | -13° |
Track Parthenope Position Throughout the Night
← Sat, 10 January 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Parthenope changing position in the night sky.
Parthenope Description
Parthenope, designated as 11 Parthenope, is a main-belt asteroid, located between Mars and Jupiter in the solar system. With a diameter of 142 km, 11 Parthenope completes its orbit around the Sun in 3.8 years. At the moment, 11 Parthenope is 2.013 AU (301,140,514 km) from Earth, and it is located in the constellation Leo.Current position of Parthenope in Solar System
| Date | Sat, 10 January 2026 |
| Distance from Earth to Parthenope | 2.013 AU (301,140,514km) |
| Elongation | 125° |
| Angular diameter | " |
| Magnitude | 11.32 |
Finder Chart for Parthenope
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| Object name | 11 Parthenope |
| Field of view | |
| Limiting magnitude | |
| 11 Parthenope coordinates | 11.112302042226, 8.2004411878191 |
| Center coordinates | 11.112302042226, 8.2004411878191 |
Annual motion of Parthenope
| Date | Sun, 11 January 2026 |
| Twighlight start | 16:41 |
| Twighlight end | 03:47 |
| Twighlight duration | 11h 6m |
| Rise | 19:26 |
| Set | 08:14 |
| Elevation at transit | 61° |
| Transit time | 01:50 |
| Equatorial coordinates | RA: 11h 06m 43s", Dec: 08° 14' 20s |
| Magnitude | 11 |
| Constellation | Leo |
The graph illustrates the annual visibility pattern of a Parthenope, 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 Parthenope 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 Parthenope 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 11 Parthenope
Coordinates & Visibility
| Right Ascension | 11.112302042226° |
| Declination | 8.2004411878191° |
| Magnitude | 11.32 |
| Constellation | Leo |
| Elevation | -35.8° |
| Azimuth | -39.6° |
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.