Asteroid 124 Alkeste Observation Details
Alkeste Daily Motion
Alkeste will be visible throughout the entire night. It will rise at 20:44, just before twilight begins, and will be at 21° when twilight starts at 23:04. It will reach its transit at 32° at 01:38, and will fade away as twilight ends at 04:00, being at 23° elevation.124 Alkeste will be visible until August, 24, 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.
Alkeste Visibility Timetable on June 14
Alkeste Rise and Set Timetable
| Time | Elevation | |
| Alkeste rise | 20:44 | |
| Sunset | 21:00 | 3° |
| Civil sunset | 21:34 | 8° |
| Astrosession begin | 23:04 | 21° |
| Moon Rise, 92% illuminated | 23:28 | 24° |
| Alkeste transit | 01:38 | 32° |
| Astrosession end | 04:00 | 23° |
| Civil sunrise | 05:29 | 11° |
| Sunrise | 06:04 | 5° |
| Alkeste set | 06:33 | |
| Moon Set | 08:49 | -25° |
Track Alkeste Position Throughout the Night
← Sat, 14 June 2025 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Alkeste changing position in the night sky.
Alkeste Description
Alkeste, designated as 124 Alkeste, is a main-belt asteroid, located between Mars and Jupiter in the solar system. With a diameter of 88 km, 124 Alkeste completes its orbit around the Sun in 4.3 years. At the moment, 124 Alkeste is 1.416 AU (211,830,585 km) from Earth, and it is located in the constellation Ophiuchus.Current position of Alkeste in Solar System
| Date | Sat, 14 June 2025 |
| Distance from Earth to Alkeste | 1.416 AU (211,830,585km) |
| Elongation | 175° |
| Angular diameter | " |
| Magnitude | 11 |
Finder Chart for Alkeste
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| Object name | 124 Alkeste |
| Field of view | |
| Limiting magnitude | |
| 124 Alkeste coordinates | 17.63063, -18.40633 |
| Center coordinates | 17.63063, -18.40633 |
Annual motion of Alkeste
| Date | Sun, 15 June 2025 |
| Twighlight start | 23:00 |
| Twighlight end | 03:54 |
| Twighlight duration | 5h 54m |
| Rise | 20:39 |
| Set | 06:28 |
| Elevation at transit | 32° |
| Transit time | 01:33 |
| Equatorial coordinates | RA: 17h 36m 54s", Dec: -18° 23' 28s |
| Magnitude | 11 |
| Constellation | Ophiuchus |
The graph illustrates the annual visibility pattern of a Alkeste, 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 Alkeste 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 Alkeste 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.
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.