{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.684","julian_year":2026.684,"time":"2026-09-07T23:27:49.877Z","years_from_j2000":26.684,"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":"ny-vir-b","name":"NY Vir b","class":"gas_giant","category":"exoplanet","object_type":"Gas giant","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":1774.3689723097361,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":204.7005847,"dec_deg":-2.0303873,"epoch_ra_deg":205.047089,"epoch_dec_deg":-2.167069,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"NY Vir","semi_major_axis_km":493672973.30999994,"periapsis_km":null,"mass_kg":4.3655233236624066e+27,"mass_msun":0.00219548,"constellation":"Virgo","discovered":"2011","featured":false,"url":"https://spacecatalog.org/object/ny-vir-b","radius_km":84828.73000000001,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"NY Vir","host_v_mag":13.496,"eccentricity":0.15,"uncertainties":{"mass_kg":[5.6941634535456906e+26,5.6941634535456906e+26],"distance_ly":[61.56690863970107,61.56690863970107],"eccentricity":[0.08,0.08],"host_mass_solar":[0.01,0.01],"host_radius_solar":[0.001,0.001],"host_temperature_k":[200,200],"orbital_period_days":[62,62],"argument_of_periastron_deg":[6,6]},"host_mass_solar":0.459,"stars_in_system":2,"discovery_method":"Eclipse Timing Variations","host_radius_solar":0.151,"planets_in_system":2,"discovery_facility":"Multiple Observatories","host_temperature_k":32780,"orbital_period_days":3160,"periastron_epoch_bjd":2453472,"equilibrium_temperature_k":338.12,"argument_of_periastron_deg":348},"designations":[{"catalog":"Exoplanet","designation":"NY Vir b"},{"catalog":"Host star","designation":"NY Vir"}],"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."}