Uranus_2031-12-13T16_20_24.9500_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:45 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-12-13T16:16:18.580 Event type : XRgt : No Uranus occs : 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 : 3404584463454281856 2Mass ID (if available) : 05375333+2329338 ICRS Star Coord at Epoch: 05h 37m 53.34339s +23:29:33.82477s RUWE (>1.4 is poor) : 0.94 K magnitude : 12.780 G magnitude : 16.841 RP magnitude : 15.731 BP magnitude : 18.154 DUPflag : 0 Distance (au) : 18.105 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -23.38 Sun-Target sep (deg) : 176.07 Sun-Moon sep (deg) : 167.32 B (ring opening deg) : 79.29 PA of pole (deg) : 40.34 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 2.904 C/A sky separation (km) : 38133.0 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 2031-12-13T15:52:36.894 16.64 -12.76 51554.79 -15.73 lambda I 2031-12-13T15:54:16.019 16.27 -12.39 50026.71 -15.10 delta I 2031-12-13T15:56:13.527 15.84 -11.96 48300.35 -14.27 gamma I 2031-12-13T15:57:01.593 15.66 -11.79 47622.98 -13.91 eta I 2031-12-13T15:57:34.012 15.54 -11.67 47176.12 -13.66 beta I 2031-12-13T15:59:27.745 15.12 -11.25 45675.32 -12.70 alpha I 2031-12-13T16:00:42.180 14.84 -10.98 44752.30 -12.04 4 I 2031-12-13T16:04:02.349 14.11 -10.24 42536.25 -10.02 5 I 2031-12-13T16:04:40.608 13.96 -10.10 42168.97 -9.65 6 I 2031-12-13T16:05:12.718 13.85 -9.99 41855.94 -9.28 No planet occultations 6 E 2031-12-13T16:28:24.543 8.74 -4.93x 41877.76 9.27 5 E 2031-12-13T16:29:00.834 8.61 -4.80x 42224.98 9.63 4 E 2031-12-13T16:29:31.512 8.50 -4.68x 42526.73 10.00 alpha E 2031-12-13T16:32:51.603 7.77 -3.96x 44732.11 12.01 beta E 2031-12-13T16:34:06.319 7.49 -3.69x 45654.20 12.67 eta E 2031-12-13T16:36:02.087 7.07 -3.28x 47176.12 13.62 gamma E 2031-12-13T16:36:34.483 6.96 -3.16x 47621.29 13.87 delta E 2031-12-13T16:37:22.823 6.78 -2.99x 48300.35 14.23 lambda E 2031-12-13T16:39:20.730 6.35 -2.56x 50026.71 15.04 epsilon E 2031-12-13T16:40:38.487 6.07 -2.28x 51215.77 15.67