Uranus_2027-12-25T14_34_38.1900_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:17 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2027-12-25T14:29:18.020 Event type : PtRgt : Uranus occs: topocentric, not geoecetric : Ring occs: geocentric, topocentric Observer code : IRTF Location : Mauna Kea/IRTF Latitude (deg) : 19.82622 E. Longitude (deg) : 204.52800 Altitude (km) : 4.168 Gaia source ID : 49433183791869568 2Mass ID (if available) : 04184227+2118429 ICRS Star Coord at Epoch: 04h 18m 42.26641s +21:18:42.96536s RUWE (>1.4 is poor) : 0.94 K magnitude : 14.614 G magnitude : 17.623 RP magnitude : 16.693 BP magnitude : 18.536 DUPflag : 0 Distance (au) : 18.474 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -20.31 Sun-Target sep (deg) : 153.34 Sun-Moon sep (deg) : 175.13 B (ring opening deg) : 76.53 PA of pole (deg) : -65.01 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 2.361 C/A sky separation (km) : 31639.0 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 2027-12-25T13:57:55.778 13.48 -39.91 51115.15 -16.33 lambda I 2027-12-25T13:59:03.331 13.23 -39.65 50026.71 -15.99 delta I 2027-12-25T14:00:52.634 12.82 -39.24 48300.35 -15.59 gamma I 2027-12-25T14:01:35.791 12.66 -39.07 47631.41 -15.41 eta I 2027-12-25T14:02:05.449 12.55 -38.96 47176.12 -15.29 beta I 2027-12-25T14:03:46.709 12.17 -38.58 45651.21 -14.83 alpha I 2027-12-25T14:04:47.895 11.94 -38.35 44748.84 -14.54 4 I 2027-12-25T14:07:24.451 11.36 -37.75 42537.60 -13.70 5 I 2027-12-25T14:07:53.160 11.25 -37.64 42155.60 -13.54 6 I 2027-12-25T14:08:17.805 11.16 -37.55 41806.15 -13.41 No planet occultations 6 E 2027-12-25T14:51:45.284 1.55x -27.71 41860.60 13.35 5 E 2027-12-25T14:52:11.531 1.46x -27.61 42212.12 13.48 4 E 2027-12-25T14:52:35.464 1.37x -27.52 42536.76 13.64 alpha E 2027-12-25T14:55:09.542 0.81x -26.94 44703.98 14.47 beta E 2027-12-25T14:56:13.859 0.58x -26.70 45643.87 14.76 eta E 2027-12-25T14:57:56.112 0.21x -26.32 47176.12 15.20 gamma E 2027-12-25T14:58:25.656 0.10x -26.21 47627.06 15.32 delta E 2027-12-25T14:59:09.351 -0.06x -26.04 48300.35 15.49 lambda E 2027-12-25T15:00:59.326 -0.46x -25.63 50026.71 15.89 epsilon E 2027-12-25T15:02:34.257 -0.80x -25.28 51550.67 16.22