Uranus_2031-08-30T12_45_31.6900_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:39 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-08-30T12:39:28.440 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 : 3427623561383489920 2Mass ID (if available) : 05440114+2330463 ICRS Star Coord at Epoch: 05h 44m 01.14291s +23:30:46.29007s RUWE (>1.4 is poor) : 0.97 K magnitude : 14.521 G magnitude : 17.780 RP magnitude : 16.825 BP magnitude : 18.734 DUPflag : 0 Distance (au) : 19.425 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : 16.43 Sun-Target sep (deg) : 70.19 Sun-Moon sep (deg) : 136.38 B (ring opening deg) : 78.31 PA of pole (deg) : 46.06 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.718 C/A sky separation (km) : 24198.6 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 2031-08-30T11:53:24.607 12.01 -53.65 51449.84 -14.58 lambda I 2031-08-30T11:55:02.367 12.37 -53.40 50026.71 -14.49 delta I 2031-08-30T11:57:02.176 12.81 -53.09 48300.35 -14.32 gamma I 2031-08-30T11:57:49.073 12.98 -52.97 47630.32 -14.25 eta I 2031-08-30T11:58:21.001 13.10 -52.89 47176.12 -14.20 beta I 2031-08-30T12:00:08.059 13.49 -52.61 45665.54 -14.02 alpha I 2031-08-30T12:01:17.660 13.75 -52.42 44693.98 -13.89 4 I 2031-08-30T12:03:50.115 14.31 -52.02 42599.35 -13.58 5 I 2031-08-30T12:04:11.030 14.39 -51.96 42313.08 -13.54 6 I 2031-08-30T12:04:46.166 14.52 -51.86 41841.67 -13.47 Uranus I 2031-08-30T12:31:21.517 20.44 -47.27 25470.54 -4.55 -4.76 Uranus E 2031-08-30T12:46:30.673 23.83 -44.43 25159.14 -9.79 -10.25 6 E 2031-08-30T13:13:20.719 29.89 -39.13 41875.91 13.35 5 E 2031-08-30T13:13:47.393 29.99 -39.04 42226.59 13.42 4 E 2031-08-30T13:14:10.177 30.07 -38.97 42528.28 13.45 alpha E 2031-08-30T13:16:50.014 30.68 -38.42 44706.89 13.75 beta E 2031-08-30T13:17:57.826 30.93 -38.19 45641.54 13.87 eta E 2031-08-30T13:19:47.779 31.35 -37.82 47176.12 14.05 gamma E 2031-08-30T13:20:19.852 31.47 -37.71 47627.37 14.09 delta E 2031-08-30T13:21:07.488 31.65 -37.54 48300.35 14.16 lambda E 2031-08-30T13:23:08.693 32.11 -37.13 50026.71 14.32 epsilon E 2031-08-30T13:23:59.608 32.30 -36.95 50757.53 14.40