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Sky-Tonight.com / Double stars / 04598-1016 star system
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Observation Settings

Or select it on the map:
This Earth map lets you select the observer’s location used to calculate the bearing and elevation of celestial objects. The selected point determines how the sky, rise and set times, and object positions are shown.
Your location: Santa Clara, United States
Timezone:
Latitude:
37.3541
Longitude:
-121.955

04598-1016 Position and Visibility Tonight

04598-1016

Where is 04598-1016 right now?

04598-1016 is located in the constellation Eridanus. Although 04598-1016 is currently 41° above the horizon, it is not visible because it is daytime.

04598-1016 visibility on 2026-08-18

04598-1016 Visible from early morning until sunrise

04598-1016 rise and set timetable

TimeElevation
Moonrise, 21% illuminated 09:4922°
Astronomical observing session begins19:32-59°
Moonset20:26-51°
04598-1016 rise00:52
Astronomical observing session ends02:5122°
Twilight end03:2627°
Civil sunrise03:5932°
Sunrise04:2836°
04598-1016 transit06:1942°

Track 04598-1016 Position Throughout the Night

← 18 August 2026 →

Elevation (degrees)
Time
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Shift the map to change the time and observe 04598-1016 changing position in the night sky.

Star system description: 04598-1016

System 04598-1016 — double star system, is located in the constellation Eridanus, at coordinates RA: 04h 59m 50s", Dec: -10° 15' 47s.
The primary and secondary magnitudes are 5.48 and 8.47. Their separation is 5 arcminutes, at position angle 221°. The magnitude difference is 2.99 magnitudes; the primary is approximately 15.7 times brighter.
The following technical data come from the Washington Double Star Catalog.

Technical details: 04598-1016

Property Value
System identifier 04598-1016
System type double star system
Primary star Eri-04598-1016
Right ascension (RA) 4.99733 (04h 59m 50s")
Declination (Dec) -10.26331 (-10° 15' 47s)
Primary magnitude 5.48
Secondary magnitude 8.47
Spectral type (primary/secondary) K0IV+DA2
Separation (arcseconds) 297.8
Position angle 221°
Discovery year 1903
Last observed 2016
Primary proper motion (RA, Dec) +022-134
Secondary proper motion (RA, Dec) +023-131
Number of observations 9

Notes

  • V: Proper motion indicates a physical pair.
  • Data source: Washington Double Star (WDS) Catalog. Maintained by the U.S. Naval Observatory; thanks to the WDS team.

    Finder Chart for

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    Object name
    Field of view
    Limiting magnitude
    coordinates4.99733, -10.26331
    Center coordinates4.99733, -10.26331

    04598-1016 Passage Through Night

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    Current position of 04598-1016

    Time05:33
    Latitude37.3541
    Longitude-121.955
    Elevation41°
    Azimuth163°
    Here you can see the current position of 04598-1016 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 04598-1016


    04598-1016 will become visible again around August 22 after moving far enough from the Sun.
    Time
    DateTue, 18 August 2026
    Twilight start19:28
    Twilight end02:44
    Twilight duration7h 17m
    Rise00:52
    Set11:46
    Elevation at transit42°
    Transit time06:19
    Equatorial coordinatesRA: 04h 59m 50s", Dec: -10° 15' 47s
    Magnitude5
    ConstellationEridanus
    The graph illustrates the annual visibility pattern of 04598-1016, 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.

    Astrometric and Physical Parameters of 04598-1016

    Coordinates and Visibility

    Right Ascension4.99733°
    Declination-10.26331°
    Magnitude5.48
    ConstellationEridanus
    Elevation40.9°
    Azimuth163.5°