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an open source database of all discovered extrasolar planets

HD 51608

The planetary system HD 51608 hosts at least 2 planets.

  System parameters
Primary system name HD 51608
Alternative system names N/A
Right ascension 06 54 51.3411
Declination -55 15 33.5811
Distance [parsec] 34.8
Distance [lightyears] 113.5
Number of stars in system 1
Number of planets in system 2

ArchitectureArchitecture of the system

This list shows all planetary and stellar components in the system. It gives a quick overview of the hierarchical architecture.

  •  HD 51608, stellar object
    •  HD 51608 b, planet, semi-major axis: 0.1059 AU
      •  HD 51608 c, planet, semi-major axis: 0.379 AU

      PlanetsPlanets in the system

      This table lists all planets in the system HD 51608.

        HD 51608 b HD 51608 c
      Alternative planet names Gaia DR2 5485320853638354304 b, TYC 8541-519-1 b, HIP 33229 b, GJ 253 b Gaia DR2 5485320853638354304 c, TYC 8541-519-1 c, HIP 33229 c, GJ 253 c
      Description This planet is part of a large data release by the Euopean HARP team.
      Lists Confirmed planets
      Mass [Mjup] 0.0413 0.0565
      Mass [Mearth] 13.13 17.96
      Radius [Rjup] N/A N/A
      Radius [Rearth] N/A N/A
      Orbital period [days] 14.07 95.4
      Semi-major axis [AU] 0.1059 0.379
      Eccentricity 0.1500 0.410
      Equilibrium temperature [K] 701 367
      Discovery method RV
      Discovery year 2011
      Last updated [yy/mm/dd] 11/09/12

      starStars in the system

      This table lists all stars in the system HD 51608.

        HD 51608
      Alternative star names Gaia DR2 5485320853638354304, TYC 8541-519-1, HIP 33229, GJ 253
      Mass [MSun] N/A
      Radius [RSun] N/A
      Age [Gyr] N/A
      Metallicity [Fe/H] N/A
      Temperature [K] 5150
      Spectral type K0IV
      Visual magnitude 8.17

      Planet sizes

      The following plot shows the approximate sizes of the planets in this system The Solar System planets are shown as a comparison. Note that unless the radius has been determined through a transit observation, this is only an approximation (see Lissauer et al. 2011b).

      PlutoMercuryMarsVenusEarthNeptuneUranusSaturnJupiterHD 51608 bHD 51608 c

      referencesScientific references and contributors

      Links to scientific papers and other data sources


      This table lists all links which are relevant to this particular system. Note that this is just a summary. More references to the scientific publications and comments can be found in the commit messages. To see these, head over the github or click here to directly go to the git blame output of this system. In the left column of the output you can see the commit message corresponding to each parameter. It also lists the date of the last commit and the person making the changes. Within the commit message, you will find a link to the scientific publication where the data is taken from. Note that this is a new feature and not all system parameters might have a reference associated with it yet. Please help making this catalogue better and contribute data or references!

      Open Exoplanet Catalogue contributors

      Contributor E-mail Number of commits
      Hanno Rein hanno(at) 7
      Marc-Antoine Martinod marc-antoine.martinod(at) 1

      This table lists all people who have contributed to the Open Exoplanet Catalogue. Please consider contributing! Click here to find out how. You can also view all commits contributing to this file on github.

      xmlData download

      You can download the xml file corresponding to this planetary system, which is part of the Open Exoplanet Catalogue. All information on this page has been directly generated from this XML file. You can also download the entire catalogue over at github. If you prefer to download the dataset as an ASCII tables, you might find the oec_tables repository useful.


      If you spot an error or if you can contribute additional data to this entry, please send an e-mail to Please include the corrected xml file and a reference to where the new data is coming from, ideally a scientific paper. If you are fluent with git and github, you can also create a pull request or open an issue on the Open Exoplanet Catalogue repository. Please include the reference to the relevant scientific paper in your commit message.