Uranus_2031-08-20T07_43_32.3100_RIO.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:32:50 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-08-20T07:40:20.250 Event type : XRt : No Uranus occs : Ring occs: topocentric, not geoecetric Observer code : RIO Location : Rio de Janeiro Latitude (deg) : -22.89506 E. Longitude (deg) : 316.77708 Altitude (km) : 0.033 Gaia source ID : 3428371164869628160 2Mass ID (if available) : 05423635+2330088 ICRS Star Coord at Epoch: 05h 42m 36.36675s +23:30:08.76896s RUWE (>1.4 is poor) : 1.44 K magnitude : 13.639 G magnitude : 17.241 RP magnitude : 16.156 BP magnitude : 18.330 DUPflag : 0 Distance (au) : 19.584 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : 20.94 Sun-Target sep (deg) : 60.67 Sun-Moon sep (deg) : 85.34 B (ring opening deg) : 78.55 PA of pole (deg) : 44.85 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 3.545 C/A sky separation (km) : 50355.8 NAIF SPICE kernels : RAJobs_U111+rgf15.spk URKALLv1.spk ura111.bsp IAU_URANUS_for_RINGFIT.tpc vgr2.ura111.bsp ura161.bsp vgr2.ura161.bsp peph.ura160.bsp earthstns_itrf93_040916.bsp earth_720101_070426.bpc earth_200101_990628_predict.bpc pg3f0000r.bsp pg490000r.bsp naif0012.tls earth_flat_IAU.spk b: ring blocked by planet x: target alt < 5.0 deg or sun > -5.0 deg Ring I/E UTC b? alt alt-sun radius r-dot lat-geo lat-geodetic --------------------------------------------------------------------------------------------------- epsilon I 2031-08-20T07:35:08.501 24.90 -23.33 51388.16 -2.93 No planet occultations epsilon E 2031-08-20T07:46:35.204 26.83 -20.70 51286.88 2.93