Uranus_2031-04-06T21_35_40.4600_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 : 2031-04-06T21:38:29.310 Event type : PtRgt : Uranus occs: topocentric, not geoecetric : Ring occs: geocentric, topocentric Observer code : RIO Location : Rio de Janeiro Latitude (deg) : -22.89506 E. Longitude (deg) : 316.77708 Altitude (km) : 0.033 Gaia source ID : 3415727468343212800 2Mass ID (if available) : 05123503+2305362 ICRS Star Coord at Epoch: 05h 12m 35.04350s +23:05:36.30246s RUWE (>1.4 is poor) : 0.95 K magnitude : 14.367 G magnitude : 16.915 RP magnitude : 16.124 BP magnitude : 17.566 DUPflag : 0 Distance (au) : 19.573 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : 20.01 Sun-Target sep (deg) : 62.65 Sun-Moon sep (deg) : 107.47 B (ring opening deg) : 82.04 PA of pole (deg) : 5.83 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 2.200 C/A sky separation (km) : 31233.3 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 2031-04-06T21:04:22.152 36.03 -4.65x 51018.03 -15.51 lambda I 2031-04-06T21:05:26.859 35.89 -4.90x 50026.71 -15.22 delta I 2031-04-06T21:07:21.624 35.65 -5.34 48300.35 -14.85 gamma I 2031-04-06T21:08:07.490 35.55 -5.52 47622.62 -14.70 eta I 2031-04-06T21:08:37.984 35.48 -5.63 47176.12 -14.59 beta I 2031-04-06T21:10:21.988 35.25 -6.03 45679.26 -14.19 alpha I 2031-04-06T21:11:31.150 35.10 -6.30 44708.30 -13.89 4 I 2031-04-06T21:14:08.361 34.74 -6.90 42575.95 -13.16 5 I 2031-04-06T21:14:29.311 34.70 -6.98 42304.56 -13.06 6 I 2031-04-06T21:15:01.941 34.62 -7.11 41874.97 -12.91 No planet occultations 6 E 2031-04-06T22:01:41.826 27.54 -17.86 41861.71 12.96 5 E 2031-04-06T22:02:07.868 27.47 -17.96 42203.26 13.10 4 E 2031-04-06T22:02:32.965 27.40 -18.06 42526.87 13.21 alpha E 2031-04-06T22:05:11.649 26.96 -18.67 44686.22 13.95 beta E 2031-04-06T22:06:20.179 26.77 -18.93 45651.64 14.25 eta E 2031-04-06T22:08:05.725 26.47 -19.34 47176.12 14.65 gamma E 2031-04-06T22:08:36.624 26.39 -19.45 47630.55 14.76 delta E 2031-04-06T22:09:21.751 26.26 -19.63 48300.35 14.92 lambda E 2031-04-06T22:11:15.987 25.94 -20.07 50026.71 15.30 epsilon E 2031-04-06T22:12:54.877 25.66 -20.45 51554.11 15.58