Observation details: asteroid Thalia
Daily motion of Thalia
From your location, Thalia is Visible from sunset until early morning. Its current altitude, direction, rise and set times, and finder chart are shown below.23 Thalia will remain visible until January 31, when it moves too close to the Sun and temporarily disappears from the night sky.
Thalia visibility on 2026-10-23
Thalia Visible from sunset until early morning
Thalia rise and set timetable
| Time | Elevation | |
Moonrise, 80.5% illuminated  | 14:26 | -8° |
| Thalia rise | 15:11 | |
| Sunset | 16:20 | 12° |
| Civil sunset | 16:47 | 16° |
| Twilight start (−12°) | 17:18 | 20° |
| Astronomical observing session begins | 17:48 | 24° |
| Thalia transit | 20:07 | 33° |
| Thalia set | 01:03 | |
| Moonset | 02:40 | -18° |
| Astronomical observing session ends | 03:56 | -33° |
Track Thalia position throughout the night
← 23 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Thalia changing position in the night sky.
Thalia Description
This asteroid is designated 23 Thalia, main-belt asteroid Its diameter is approximately 108 km. 23 Thalia completes an orbit around the Sun in 4.3 years. It is currently 2.236 AU (334,445,488 km) from Earth, and is located in the constellation Aquarius.Current position in the Solar System: Thalia
| Date | Fri, 23 October 2026 |
| Distance from Earth | 2.23563 AU (334,445,488km) |
| Elongation | 129° |
| Angular diameter | " |
| Magnitude | 12 |
Finder Chart for Thalia
Annual motion of Thalia
| Date | Sat, 24 October 2026 |
| Twilight start | 17:43 |
| Twilight end | 03:50 |
| Twilight duration | 10h 8m |
| Rise | 15:07 |
| Set | 00:59 |
| Elevation at transit | 33° |
| Transit time | 20:03 |
| Equatorial coordinates | RA: 23h 05m 54s", Dec: -19° 34' 44s |
| Magnitude | 12 |
| Constellation | Aquarius |
The graph summarizes the object’s annual visibility, daily observing windows and transit times.
The vertical axis shows time of day and the horizontal axis shows the days of the year.
The shaded area marks when the object is above the horizon; the white line marks daily transit. You can also view the detailed annual visibility table.
The vertical axis shows time of day and the horizontal axis shows the days of the year.
The shaded area marks when the object is above the horizon; the white line marks daily transit. You can also view the detailed annual visibility table.
Astrometric and Physical Parameters of 23 Thalia
Coordinates and Visibility
| Right Ascension | 23h 06m 16s |
| Declination | -19° 37′ 21″ |
| Magnitude | 12 |
| Constellation | Aquarius |
| Elevation | -32.2° |
| Azimuth | 268.9° |
Acknowledgments
Orbital and small-body data are provided by NASA Jet Propulsion Laboratory (JPL) Small-Body Database (SBDB) and Center for Near-Earth Object Studies (CNEOS). These resources support accurate positions, orbits and physical characteristics.