11538+5342 Position and Visibility Tonight
Where is 11538+5342 right now?
11538+5342 is located in the constellation Ursa Major. Although 11538+5342 is currently 35° above the horizon, it is not visible because it is daytime.
Twilight begins at 18:57 local time. At that moment, 11538+5342 will be 32° above the horizon toward the north-west.
Twilight begins at 18:57 local time. At that moment, 11538+5342 will be 32° above the horizon toward the north-west.
11538+5342 visibility on 2026-08-18
11538+5342 Visible from sunset until early morning
11538+5342 rise and set timetable
| Time | Elevation | |
| 11538+5342 is always above the horizon | ||
Moonrise, 21% illuminated  | 09:49 | 51° |
| 11538+5342 transit | 13:16 | 74° |
| Sunset | 17:55 | 41° |
| Civil sunset | 18:24 | 36° |
| Twilight start | 18:57 | 32° |
| Astronomical observing session begins | 19:32 | 27° |
| 11538+5342 is always above the horizon | ||
| Moonset | 20:26 | 20° |
| Astronomical observing session ends | 02:51 | 3° |
| Twilight end | 03:26 | 5° |
| Civil sunrise | 03:59 | 8° |
| Sunrise | 04:28 | 10° |
Track 11538+5342 Position Throughout the Night
← 18 August 2026 →
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Shift the map to change the time and observe 11538+5342 changing position in the night sky.
Star system description: 11538+5342
System 11538+5342 — double star system, is located in the constellation Ursa Major, at coordinates RA: 11h 53m 49s", Dec: 53° 41' 40s.
The primary and secondary magnitudes are 2.40 and 8.21. Their separation is 16.7 arcminutes, at position angle 75°. The magnitude difference is 5.81 magnitudes; the primary is approximately 210.9 times brighter.
The primary is white; the secondary is orange.
The following technical data come from the Washington Double Star Catalog.
V: Proper motion indicates a physical pair.
The primary and secondary magnitudes are 2.40 and 8.21. Their separation is 16.7 arcminutes, at position angle 75°. The magnitude difference is 5.81 magnitudes; the primary is approximately 210.9 times brighter.
The primary is white; the secondary is orange.
The following technical data come from the Washington Double Star Catalog.
Technical details: 11538+5342
| Property | Value |
|---|---|
| System identifier | 11538+5342 |
| System type | double star system |
| Primary star | gam UMa |
| Right ascension (RA) | 11.89714 (11h 53m 49s") |
| Declination (Dec) | 53.69472 (53° 41' 40s) |
| Primary magnitude | 2.40 |
| Secondary magnitude | 8.21 |
| Spectral type (primary/secondary) | A0Ve+K2V (white/orange) |
| Separation (arcseconds) | 999.9 |
| Position angle | 75° |
| Discovery year | 1991 |
| Last observed | 1999 |
| Primary proper motion (RA, Dec) | +103+010 |
| Secondary proper motion (RA, Dec) | +108-001 |
| Number of observations | 3 |
Notes
Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.
Finder Chart for gam UMa
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| Object name | gam UMa |
| Field of view | |
| Limiting magnitude | |
| gam UMa coordinates | 11.89714, 53.69472 |
| Center coordinates | 11.89714, 53.69472 |
11538+5342 Passage Through Night
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Current position of 11538+5342
| Time | 07:56 |
| Latitude | 37.3541 |
| Longitude | -121.955 |
| Elevation | 35° |
| Azimuth | 45° |
Here you can see the current position of 11538+5342 on the map, as well as its positions for rise and set. This tool lets you track its movement throughout the night with accurate, up-to-date information.
Annual motion of 11538+5342
11538+5342 will remain visible until August 24, when it moves too close to the Sun and temporarily disappears from the night sky.
| Date | Tue, 18 August 2026 |
| Twilight start | 19:28 |
| Twilight end | 02:44 |
| Twilight duration | 7h 17m |
| Rise | 11538+5342 is always up |
| Set | 11538+5342 is always up |
| Elevation at transit | 74° |
| Transit time | 13:12 |
| Equatorial coordinates | RA: 11h 53m 49s", Dec: 53° 41' 40s |
| Magnitude | 2 |
| Constellation | Ursa Major |
The graph illustrates the annual visibility pattern of 11538+5342, including its daily appearances and transit times. The vertical axis shows the hours of the day and the horizontal axis spans the year. The reddish area marks when the object is above the horizon, while the white line marks its daily transit.
You can also view detailed visibility information in a table with exact rise, transit, and set times for each date.
You can also view detailed visibility information in a table with exact rise, transit, and set times for each date.
Astrometric and Physical Parameters of 11538+5342
Coordinates and Visibility
| Right Ascension | 11.89714° |
| Declination | 53.69472° |
| Magnitude | 2.40 |
| Constellation | Ursa Major |
| Elevation | 34.7° |
| Azimuth | 45.2° |