Double Star 11159+1318 Position and Visibility Tonight
Where is 11159+1318 right now?
11159+1318 is located in the constellation Leo. Although it is currently above the horizon at an altitude of 29 degrees, 11159+1318 is not visible because it is daytime.
Twilight begins at 19:20 local time, and at that moment, 11159+1318 will appear at an altitude of 63 degrees toward the southeast.
Twilight begins at 19:20 local time, and at that moment, 11159+1318 will appear at an altitude of 63 degrees toward the southeast.
11159+1318 Visibility on May 21
11159+1318 is visible from sunset through most of the night
11159+1318 Rise and Set Timetable
| Time | Elevation | |
Moon Rise, 14.7% illuminated  | 07:38 | -37° |
| 11159+1318 rise | 11:48 | |
| Sunset | 18:12 | 66° |
| 11159+1318 transit | 18:28 | 66° |
| Civil sunset | 18:43 | 66° |
| Twighlight start | 19:20 | 63° |
| Astrosession begin | 20:00 | 58° |
| Moon Set | 22:47 | 28° |
| 11159+1318 set | 01:09 | |
| Astrosession end | 02:08 | -11° |
Track 11159+1318 Position Throughout the Night
← Thu, 21 May 2026 →
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Shift the map to change the time and observe 11159+1318 changing position in the night sky.
11159+1318 Star System Description
11159+1318 is Double Star System located in constellation Leo at coordinates RA: 11h 15m 51s", Dec: 13° 18' 27s.
The primary component has a magnitude of 5.5, while the secondary component has a magnitude of 7.3. They are separated by 0.1 arcseconds at a position angle of 280 degrees. The brightness difference between the two components is 1.8 magnitudes, with the primary component being approximately 5.2 times brighter than the secondary.
The primary star is orange in color, and the secondary star is white.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
The primary component has a magnitude of 5.5, while the secondary component has a magnitude of 7.3. They are separated by 0.1 arcseconds at a position angle of 280 degrees. The brightness difference between the two components is 1.8 magnitudes, with the primary component being approximately 5.2 times brighter than the secondary.
The primary star is orange in color, and the secondary star is white.
Below is a table with star system details from the Washington Double Star (WDS) Catalog. This catalog is a comprehensive source of information on double and multiple star systems, providing key data on the positions, magnitudes, and separations of stellar components.
Technical Details of Star System 11159+1318
| Property | Value |
|---|---|
| Star System Identifier | 11159+1318 |
| System Type | Double Star System |
| Primary Star | 73 Leo |
| Right Ascension (RA) | 11.26442 (11h 15m 51s") |
| Declination (Dec) | 13.30758 (13° 18' 27s) |
| Magnitude (Primary) | 5.5 |
| Magnitude (Secondary) | 7.3 |
| Spectral Type (Primary/Secondary) | K1III+A7V (orange/white) |
| Separation (Arcseconds) | 0.1 |
| Position Angle | 280° |
| Discovery Year | 1979 |
| Last Observed | 2023 |
| Primary Proper Motion (Ra, Dec) | -004-012 |
| Secondary Proper Motion (Ra, Dec) | |
| Number of Observations | 14 |
The data presented in this table is sourced from the Washington Double Star (WDS) Catalog, a comprehensive repository of double and multiple star system information maintained by the U.S. Naval Observatory. We thank the WDS team for their continued efforts in providing accurate and detailed astronomical data.
Finder Chart for 73 Leo
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| Object name | 11159+1318 |
| Field of view | |
| Limiting magnitude | |
| 11159+1318 coordinates | 11.26442, 13.30758 |
| Center coordinates | 11.26442, 13.30758 |
11159+1318 Passage Through Night
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Current position of 11159+1318
| Time | 14:15 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| 11159+1318 elevation | 29° |
| 11159+1318 Azimuth | -95° |
Here you can see the current position of the 11159+1318 on the map, as well as its positions for rise and set. This tool allows you to track the 11159+1318's movement throughout the night, providing you with accurate and up-to-date information.
Annual motion of 11159+1318
11159+1318 will be visible until July, 5, 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.
| Date | Thu, 21 May 2026 |
| Twighlight start | 19:55 |
| Twighlight end | 02:02 |
| Twighlight duration | 6h 7m |
| Rise | 11:44 |
| Set | 01:05 |
| Elevation at transit | 66° |
| Transit time | 18:24 |
| Equatorial coordinates | RA: 11h 15m 51s", Dec: 13° 18' 27s |
| Magnitude | 6 |
| Constellation | Leo |
The graph illustrates the annual visibility pattern of a 11159+1318, 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 11159+1318 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
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 11159+1318 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.
You can also view detailed visibility information in a dedicated table, including exact rise, transit, and set times for each date.
Astrometric & Physical Parameters of 11159+1318
Coordinates & Visibility
| Right Ascension | 11.26442° |
| Declination | 13.30758° |
| Magnitude | 5.5 |
| Constellation | Leo |
| Elevation | 29° |
| Azimuth | -95.2° |