Observation details: asteroid Wratislavia
Daily motion of Wratislavia
690 Wratislavia will remain visible until February 21, when it moves too close to the Sun and temporarily disappears from the night sky.
Wratislavia visibility on 2026-08-18
690 Wratislavia Visible from sunset until sunrise
Wratislavia rise and set timetable
| Time | Elevation | |
Moonrise, 21% illuminated  | 09:49 | -30° |
| Wratislavia rise | 17:39 | |
| Sunset | 17:55 | 3° |
| Civil sunset | 18:24 | 9° |
| Twilight start | 18:57 | 15° |
| Astronomical observing session begins | 19:32 | 22° |
| Moonset | 20:26 | 33° |
| Wratislavia transit | 00:16 | 65° |
| Astronomical observing session ends | 02:51 | 47° |
| Twilight end | 03:26 | 41° |
| Civil sunrise | 03:59 | 34° |
| Sunrise | 04:28 | 28° |
| Wratislavia set | 06:52 |
Track Wratislavia Position Throughout the Night
← 18 August 2026 →
| Time | |
| Altitude | |
| Azimuth |
Shift the map to change the time and observe Wratislavia changing position in the night sky.
Wratislavia Description
This asteroid is designated 690 Wratislavia, main-belt asteroid Its diameter is approximately 134 km. 690 Wratislavia completes an orbit around the Sun in 5.6 years. It is currently 1.72 AU (257,254,482 km) from Earth, and is located in the constellation Pegasus.Current position in the Solar System: Wratislavia
| Date | Tue, 18 August 2026 |
| Distance from Earth | 1.71658 AU (256,796,713km) |
| Elongation | 150° |
| Angular diameter | " |
| Magnitude | 12.1 |
Finder Chart for Wratislavia
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| Object name | Wratislavia |
| Field of view | |
| Limiting magnitude | |
| Wratislavia coordinates | 22.92799, 12.04736 |
| Center coordinates | 22.92799, 12.04736 |
Annual motion of Wratislavia
| Date | Tue, 18 August 2026 |
| Twilight start | 19:28 |
| Twilight end | 02:44 |
| Twilight duration | 7h 17m |
| Rise | 17:39 |
| Set | 06:52 |
| Elevation at transit | 65° |
| Transit time | 00:15 |
| Equatorial coordinates | RA: 22h 55m 03s", Dec: 12° 02' 39s |
| Magnitude | 12 |
| Constellation | Pegasus |
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 690 Wratislavia
Coordinates and Visibility
| Right Ascension | 22.92799° |
| Declination | 12.04736° |
| Magnitude | 12.1 |
| Constellation | Pegasus |
| Elevation | 16.9° |
| Azimuth | 272.4° |
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.