{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.683","julian_year":2026.683,"time":"2026-09-07T11:38:09.349Z","years_from_j2000":26.683,"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":"kic-10525077-b","name":"KIC 10525077 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":4765.633913008197,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":287.3781164,"dec_deg":47.7711541,"epoch_ra_deg":287.564298,"epoch_dec_deg":47.813867,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":"KIC 10525077","semi_major_axis_km":null,"periapsis_km":null,"mass_kg":1.546791477757967e+26,"mass_msun":0.0000777904,"constellation":"Cygnus","discovered":"2015","featured":false,"url":"https://spacecatalog.org/object/kic-10525077-b","radius_km":35079.55,"radius_kind":null,"data_quality":null,"description":null,"properties":{"host_star":"KIC 10525077","host_v_mag":15.592,"uncertainties":{"radius_km":[5102.4800000000005,5740.290000000001],"distance_ly":[169.92747279042334,182.6475715213763],"host_mass_solar":[0.12,0.12],"inclination_deg":[0.098,0.096],"host_radius_solar":[0.1,0.1],"host_temperature_k":[213,164],"orbital_period_days":[0.01697,0.01628]},"host_mass_solar":1.01,"inclination_deg":89.861,"stars_in_system":1,"discovery_method":"Transit","host_radius_solar":1.01,"planets_in_system":1,"discovery_facility":"Kepler","host_temperature_k":6091,"orbital_period_days":854.083,"transit_midpoint_bjd":2455168.236},"designations":[{"catalog":"Exoplanet","designation":"KIC 10525077 b"},{"catalog":"Host star","designation":"KIC 10525077"}],"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."}