Uranus_2031-01-23T03_39_51.9200_RIO.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:32:47 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-01-23T03:35:17.950 Event type : XRgt : No Uranus occs : 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 : 3415723860570736896 2Mass ID (if available) : 05113359+2304055 ICRS Star Coord at Epoch: 05h 11m 33.60253s +23:04:05.76379s RUWE (>1.4 is poor) : 1.01 K magnitude : 14.443 G magnitude : 17.176 RP magnitude : 16.323 BP magnitude : 17.945 DUPflag : 0 Distance (au) : 18.423 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -15.25 Sun-Target sep (deg) : 136.38 Sun-Moon sep (deg) : 136.36 B (ring opening deg) : 82.09 PA of pole (deg) : 4.06 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 3.162 C/A sky separation (km) : 42255.9 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 2031-01-23T03:04:58.904 25.30 -47.74 51235.74 -8.71 lambda I 2031-01-23T03:07:23.468 24.89 -47.73 50026.71 -8.11 delta I 2031-01-23T03:11:07.534 24.24 -47.71 48300.35 -7.28 gamma I 2031-01-23T03:12:42.320 23.96 -47.69 47628.04 -6.90 eta I 2031-01-23T03:13:49.127 23.77 -47.68 47176.12 -6.63 beta I 2031-01-23T03:17:59.659 23.03 -47.61 45651.78 -5.51 alpha I 2031-01-23T03:20:56.535 22.51 -47.55 44748.19 -4.67 No planet occultations alpha E 2031-01-23T03:49:54.017 17.17 -46.32 44733.33 4.66 beta E 2031-01-23T03:52:52.936 16.61 -46.13 45642.33 5.49 eta E 2031-01-23T03:57:06.305 15.80 -45.84 47176.12 6.59 gamma E 2031-01-23T03:58:13.918 15.59 -45.76 47631.33 6.87 delta E 2031-01-23T03:59:48.718 15.28 -45.65 48300.35 7.24 lambda E 2031-01-23T04:03:34.079 14.56 -45.36 50026.71 8.06 epsilon E 2031-01-23T04:06:36.064 13.97 -45.12 51549.78 8.65