Observation details: asteroid Thyra
Daily motion of Thyra
115 Thyra will remain visible until June 4, when it moves too close to the Sun and temporarily disappears from the night sky.
Thyra visibility on 2026-10-18
Thyra Visible from before midnight until sunrise
Thyra rise and set timetable
| Time | Elevation | |
Moonrise, 34.6% illuminated  | 11:59 | 13° |
| Astronomical observing session begins | 17:54 | -25° |
| Moonset | 21:28 | -6° |
| Thyra rise | 22:04 | |
| Astronomical observing session ends | 03:51 | 66° |
| Twilight end (−12°) | 04:22 | 71° |
| Civil sunrise | 04:52 | 76° |
| Sunrise | 05:20 | 80° |
| Thyra transit | 05:37 | 80° |
Track Thyra position throughout the night
← 18 October 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Thyra changing position in the night sky.
Thyra Description
This asteroid is designated 115 Thyra, main-belt asteroid Its diameter is approximately 80 km. 115 Thyra completes an orbit around the Sun in 3.7 years. It is currently 1.854 AU (277,335,005 km) from Earth, and is located in the constellation Cancer.Current position in the Solar System: Thyra
| Date | Sun, 18 October 2026 |
| Distance from Earth | 1.84992 AU (276,744,093km) |
| Elongation | 84° |
| Angular diameter | " |
| Magnitude | 11.9 |
Finder Chart for
Double-click to unlock the map.
| Object name | |
| Field of view | |
| Limiting magnitude | |
| coordinates | 8.29184, 27.81981 |
| Center coordinates | 8.29184, 27.81981 |
Annual motion of Thyra
| Date | Sun, 18 October 2026 |
| Twilight start | 17:50 |
| Twilight end | 03:45 |
| Twilight duration | 10h 55m |
| Rise | 22:05 |
| Set | 13:11 |
| Elevation at transit | 80° |
| Transit time | 05:38 |
| Equatorial coordinates | RA: 08h 19m 04s", Dec: 27° 43' 18s |
| Magnitude | 12 |
| Constellation | Cancer |
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 115 Thyra
Coordinates and Visibility
| Right Ascension | 08h 17m 31s |
| Declination | 27° 49′ 11″ |
| Magnitude | 11.9 |
| Constellation | Cancer |
| Elevation | 68.4° |
| Azimuth | 250.6° |
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.