Uranus_2031-02-21T13_09_40.7000_KPNO.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:22:08 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-02-21T12:24:11.180 Event type : PtRgt : Uranus occs: topocentric, not geoecetric : Ring occs: geocentric, topocentric Observer code : KPNO Location : Kitt Peak Natl Obs Latitude (deg) : 31.96333 E. Longitude (deg) : 248.40000 Altitude (km) : 2.120 Gaia source ID : 3415408747410005632 2Mass ID (if available) : 05093215+2301564 ICRS Star Coord at Epoch: 05h 09m 32.14297s +23:01:56.30531s RUWE (>1.4 is poor) : 0.99 K magnitude : 14.674 G magnitude : 18.469 RP magnitude : 17.314 BP magnitude : 19.955 DUPflag : 0 Distance (au) : 18.843 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -1.96 Sun-Target sep (deg) : 106.14 Sun-Moon sep (deg) : 106.95 B (ring opening deg) : 82.14 PA of pole (deg) : 0.51 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 2.531 C/A sky separation (km) : 34588.2 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 2031-02-21T07:01:48.281 30.79 -67.04 50864.26 -1.65 lambda I 2031-02-21T07:10:18.158 29.01 -67.72 50026.71 -1.62 delta I 2031-02-21T07:28:29.917 25.21 -68.64 48300.35 -1.54 gamma I 2031-02-21T07:35:55.293 23.67 -68.78 47623.06 -1.50 eta I 2031-02-21T07:40:55.128 22.63 -68.80 47176.12 -1.48 beta I 2031-02-21T07:58:23.790 19.03 -68.37 45670.86 -1.39 alpha I 2031-02-21T08:09:40.422 16.73 -67.71 44748.48 -1.33 4 I 2031-02-21T08:37:59.410 11.02 -64.91 42612.79 -1.18 5 I 2031-02-21T08:42:15.730 10.17 -64.37 42306.37 -1.16 6 I 2031-02-21T08:49:04.152 8.81 -63.45 41844.50 -1.12 No planet occultations 6 E 2031-02-21T16:50:25.783 -25.95x 31.45x 41879.06 0.78 5 E 2031-02-21T16:59:00.704 -24.86x 32.85x 42292.12 0.81 4 E 2031-02-21T17:04:39.357 -24.12x 33.75x 42566.11 0.82 alpha E 2031-02-21T17:45:51.043 -18.19x 39.71x 44707.52 0.92 beta E 2031-02-21T18:03:09.481 -15.45x 41.84x 45679.63 0.96 eta E 2031-02-21T18:28:21.858 -11.24x 44.44x 47176.12 1.02 gamma E 2031-02-21T18:35:34.764 -9.99x 45.06x 47622.03 1.04 delta E 2031-02-21T18:46:19.099 -8.11x 45.88x 48300.35 1.07 lambda E 2031-02-21T19:12:28.738 -3.37x 47.28x 50026.71 1.13 epsilon E 2031-02-21T19:25:08.102 -1.01x 47.65x 50899.84 1.16