{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.665","julian_year":2026.665,"time":"2026-09-01T01:44:23.179Z","years_from_j2000":26.665,"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":"hd-134606-e","name":"HD 134606 e","class":"super_earth","category":"exoplanet","object_type":"Super-Earth","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":87.38022899771501,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":228.8103897,"dec_deg":-70.5203328,"epoch_ra_deg":229.470518,"epoch_dec_deg":-70.619864,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"HD 134606","semi_major_axis_km":7883807.785889999,"periapsis_km":null,"mass_kg":1.3974872810631827e+25,"mass_msun":0.00000702817,"constellation":"Apus","discovered":"2024","featured":false,"url":"https://spacecatalog.org/object/hd-134606-e","radius_km":8482.873000000001,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"HD 134606","host_v_mag":6.86,"eccentricity":0.2,"uncertainties":{"mass_kg":[2.0305370750490692e+24,2.0902587537269827e+24],"distance_ly":[0.06686205743193241,0.06653590105421567],"eccentricity":[0.13,0.14],"host_mass_solar":[0.059,0.07],"host_radius_solar":[0.036,0.039],"host_temperature_k":[85,86],"semi_major_axis_km":[179517.44483999998,164557.65777],"orbital_period_days":[0.00047,0.00051],"argument_of_periastron_deg":[57,45]},"host_mass_solar":1.046,"stars_in_system":1,"discovery_method":"Radial Velocity","host_radius_solar":1.158,"planets_in_system":5,"discovery_facility":"Multiple Observatories","host_spectral_type":"G5IV","host_temperature_k":5576,"orbital_period_days":4.3203,"periastron_epoch_bjd":2455500.27,"equilibrium_temperature_k":1260.39,"argument_of_periastron_deg":54},"designations":[{"catalog":"Exoplanet","designation":"HD 134606 e"}],"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":"2026-08-30T09:56:50.739Z","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."}