This function returns the basic data on any catalogued solar system body and can also be used as a general JPL Horizons data query for spacecraft and space vehicles, rovers, NASA satellites, space telescopes as well as past space missions such as Pioneer, Voyagers 1 and 2, etc. ############################################################################## NASA/JPL OBJECT ID: Target Object ID = Sun (10) ############################################################################## API VERSION: 1.2 API SOURCE: NASA/JPL Horizons API ******************************************************************************* Revised: July 31, 2013 Sun 10 PHYSICAL PROPERTIES (updated 2024-Oct-30): GM, km^3/s^2 = 132712440041.93938 Mass, 10^24 kg = ~1988410 Vol. mean radius, km = 695700 Volume, 10^12 km^3 = 1412000 Solar radius (IAU2015)= 695700 km Mean density, g/cm^3 = 1.408 Radius (photosphere) = 696500 km Angular diam at 1 AU = 1919.3" Photosphere temp., K = 6600 (bottom) Photosphere temp., K = 4400(top) Photospheric depth = ~500 km Chromospheric depth = ~2500 km Flatness, f = 0.00005 Adopted sid. rot. per.= 25.38 d Surface gravity = 274.0 m/s^2 Escape speed, km/s = 617.7 Pole (RA,DEC), deg. = (286.13, 63.87) Obliquity to ecliptic = 7.25 deg. Solar constant (1 AU) = 1367.6 W/m^2 Luminosity, 10^24 J/s = 382.8 Mass-energy conv rate = 4.260 x 10^9 kg/s Effective temp, K = 5772 Sunspot cycle = 11.4 yr Cycle 24 sunspot min. = 2008 A.D. Motion relative to nearby stars = apex : R.A.= 271 deg.; DEC.= +30 deg. speed: 19.4 km/s (0.0112 au/day) Motion relative to 2.73K BB/CBR = apex : l= 264.7 +- 0.8; b= 48.2 +- 0.5 deg. speed: 369 +-11 km/s *******************************************************************************