{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.686","julian_year":2026.686,"time":"2026-09-08T17:13:38.641Z","years_from_j2000":26.686,"frame":"date","applied":"Proper motion, then precession and nutation. The catalogued J2000 position is carried along the great circle the object's own published motion puts it on, at a constant velocity, and the result is referred to the true equator and equinox of this instant. Those are separate things: the motion moves the object, and the rotation turns the grid under it by about fifty arcseconds a year, with nutation adding up to another seventeen.","excluded":"Parallax, the radial-velocity perspective term, aberration and refraction; each is below the accuracy of the catalogued positions themselves. An object with no published proper motion comes back where the catalogue has it rather than at a fabricated zero, and says so with a null pm_ra_mas_yr. A body with no fixed position is not propagated at all — its place comes from an ephemeris, which is what /api/v1/visible answers with."},"slug":"gj-832-b","name":"GJ 832 b","class":"gas_giant","category":"exoplanet","object_type":"Gas giant","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":16.19154413718115,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":323.3912616,"dec_deg":-49.0125169,"epoch_ra_deg":323.839623,"epoch_dec_deg":-48.893455,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"GJ 832","semi_major_axis_km":553512121.59,"periapsis_km":null,"mass_kg":1.8791433537591535e+27,"mass_msun":0.000945048,"constellation":"Grus","discovered":"2008","featured":false,"url":"https://spacecatalog.org/object/gj-832-b","radius_km":88017.78000000001,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"GJ 832","host_v_mag":8.66,"eccentricity":0.05,"uncertainties":{"mass_kg":[1.5184996798053766e+26,1.7083121397810487e+26],"distance_ly":[0.0034735654226833172,0.0034735654226833172],"eccentricity":[0.03,0.03],"host_mass_solar":[0.01,0.01],"inclination_deg":[3,3],"host_radius_solar":[0.013069,0.013069],"semi_major_axis_km":[14959787.07,14959787.07],"orbital_period_days":[47,51],"argument_of_periastron_deg":[31,22]},"host_mass_solar":0.45,"inclination_deg":51,"stars_in_system":1,"discovery_method":"Radial Velocity","host_radius_solar":0.441557,"planets_in_system":1,"discovery_facility":"Anglo-Australian Telescope","host_spectral_type":"M2/3 V","host_temperature_k":3472,"orbital_period_days":3853,"periastron_epoch_bjd":2456696,"equilibrium_temperature_k":57.84,"argument_of_periastron_deg":207},"designations":[{"catalog":"Exoplanet","designation":"GJ 832 b"},{"catalog":"Host star","designation":"GJ 832"}],"source":{"id":"exoplanet_archive","name":"NASA Exoplanet Archive (Planetary Systems Composite Parameters)","url":"https://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph-tblView?app=ExoTbls&config=PSCompPars","license":"Public domain (NASA)"},"updated_at":"2026-09-02T19:50:56.720Z","attribution":"Data from SpaceCatalog.org. Individual records carry their source and license in `source`; attribution is required for CC-BY and CC-BY-SA rows."}