{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.681","julian_year":2026.681,"time":"2026-09-06T17:13:10.558Z","years_from_j2000":26.681,"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":"kobe-1-b","name":"KOBE-1 b","class":"neptune_like_planet","category":"exoplanet","object_type":"Neptune-like planet","mag":null,"mag_band":null,"abs_mag":null,"abs_mag_band":null,"distance_ly":78.1855545535023,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":19.1660378,"dec_deg":25.3310358,"epoch_ra_deg":19.53276,"epoch_dec_deg":25.472911,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"KOBE-1","semi_major_axis_km":10480826.821241999,"periapsis_km":null,"mass_kg":5.255507723656414e+25,"mass_msun":0.0000264307,"constellation":"Pisces","discovered":"2025","featured":false,"url":"https://spacecatalog.org/object/kobe-1-b","radius_km":18560.271,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"KOBE-1","host_v_mag":10.1,"eccentricity":0,"uncertainties":{"mass_kg":[4.538847579521448e+24,4.538847579521448e+24],"distance_ly":[0.09262841127155513,0.09295456764927187],"host_mass_solar":[0.017,0.017],"host_radius_solar":[0.011,0.011],"host_temperature_k":[36,36],"semi_major_axis_km":[64327.08440099999,64327.08440099999],"orbital_period_days":[0.0036,0.0037]},"host_mass_solar":0.629,"stars_in_system":1,"discovery_method":"Radial Velocity","host_radius_solar":0.619,"planets_in_system":2,"discovery_facility":"Calar Alto Observatory","host_spectral_type":"K7 V","host_temperature_k":4135,"orbital_period_days":8.5399,"transit_midpoint_bjd":2459484.26,"equilibrium_temperature_k":594.4},"designations":[{"catalog":"Exoplanet","designation":"KOBE-1 b"},{"catalog":"Host star","designation":"KOBE-1"}],"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."}