{"id":17502,"slug":"jupiter","name":"Jupiter","domain":"solar-system","class":"planet","otype":null,"otype_label":"Planet","ra":null,"dec":null,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":0,"simbad_oid":null,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-14T16:44:00.521972+00:00","views":15,"first_seen":"2026-08-14T16:32:06.267691+00:00","updated_at":"2026-08-14T16:32:06.267691+00:00","identifiers":["Horizons 599"],"measurements":[{"parameter":"density","value":1.3262,"value_text":"1.3262 +- .0003","unit":"g/cm^3","err_plus":null,"err_minus":null,"band":null,"method":"Density (g/cm^3)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"equatorial_radius","value":71492.0,"value_text":"71492+-4 km","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Equat. radius (1 bar)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"escape_velocity","value":59.5,"value_text":"59.5","unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"Escape speed, km/s","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"geometric_albedo","value":0.52,"value_text":"0.52","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Geometric Albedo","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"gm","value":126686531.9,"value_text":"126686531.900","unit":"km^3/s^2","err_plus":null,"err_minus":null,"band":null,"method":"GM (km^3/s^2)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:flattening","value":0.06487,"value_text":"0.06487","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Flattening","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:hill_s_sphere_rad_rp","value":740.0,"value_text":"740","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Hill's sphere rad. Rp","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:mean_daily_motion","value":0.0831294,"value_text":"0.0831294 deg/d","unit":"deg/d","err_plus":null,"err_minus":null,"band":null,"method":"Mean daily motion","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:polar_radius_km","value":66854.0,"value_text":"66854+-10","unit":"km","err_plus":null,"err_minus":null,"band":null,"method":"Polar radius (km)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:pol_grav_gp_m_s_2","value":28.34,"value_text":"28.34","unit":"m/s^2","err_plus":null,"err_minus":null,"band":null,"method":"Pol. grav, gp (m/s^2)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:roche_ice_rp","value":2.76,"value_text":"2.76","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"roche(ice)/Rp","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:rocky_core_mass_mc_m","value":0.0261,"value_text":"0.0261","unit":"mc/m","err_plus":null,"err_minus":null,"band":null,"method":"Rocky core mass (Mc/M)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:sid_rot_rate_rad_s","value":0.00017585,"value_text":"0.00017585","unit":"rad/s","err_plus":null,"err_minus":null,"band":null,"method":"Sid. rot. rate (rad/s)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:vis_magnitude_v_1_0","value":-9.4,"value_text":"-9.40","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Vis. magnitude V(1,0)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"jpl:vis_mag_opposition","value":-2.7,"value_text":"-2.70","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Vis. mag. (opposition)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"mass","value":18.9819,"value_text":"18.9819","unit":"1e26 kg","err_plus":null,"err_minus":null,"band":null,"method":"Mass x 10^26 (kg)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"mean_radius","value":69911.0,"value_text":"69911+-6","unit":"km","err_plus":null,"err_minus":null,"band":null,"method":"Vol. Mean Radius (km)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"mean_temperature","value":165.0,"value_text":"165+-5 K","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Atmos. temp. (1 bar)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"obliquity","value":3.13,"value_text":"3.13 deg","unit":"deg","err_plus":null,"err_minus":null,"band":null,"method":"Obliquity to orbit","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"orbital_period","value":11.861982204,"value_text":"11.861982204 y","unit":"y","err_plus":null,"err_minus":null,"band":null,"method":"Sidereal orbit period","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"orbital_speed","value":13.0697,"value_text":"13.0697","unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"Mean orbit speed, km/s","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"rotation_period","value":9.0,"value_text":"9h 55m 29.711 s","unit":"h","err_plus":null,"err_minus":null,"band":null,"method":"Sid. rot. period (III)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"solar_day","value":null,"value_text":"~9.9259","unit":"hrs","err_plus":null,"err_minus":null,"band":null,"method":"Mean solar day, hrs","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null},{"parameter":"surface_gravity","value":24.79,"value_text":"24.79","unit":"m/s^2","err_plus":null,"err_minus":null,"band":null,"method":"Equ. grav, ge (m/s^2)","source":"horizons","reference":"JPL Horizons on-line ephemeris system","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"horizons","url":"https://ssd.jpl.nasa.gov/horizons/app.html#/?sstr=599","fetched_at":"2026-08-14T17:09:35.109920+00:00"}]}