Uranus_2031-04-01T05_33_55.6000_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:37 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-04-01T05:37:27.640 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 : 3415723753197480448 2Mass ID (if available) : 05114822+2304458 ICRS Star Coord at Epoch: 05h 11m 48.21314s +23:04:45.55278s RUWE (>1.4 is poor) : 1.03 K magnitude : 14.749 G magnitude : 18.596 RP magnitude : 17.410 BP magnitude : 19.951 DUPflag : 0 Distance (au) : 19.486 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : 17.47 Sun-Target sep (deg) : 68.06 Sun-Moon sep (deg) : 35.34 B (ring opening deg) : 82.07 PA of pole (deg) : 4.48 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 2.167 C/A sky separation (km) : 30622.6 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 2031-04-01T04:58:22.200 61.85 -6.10 50744.30 -13.54 lambda I 2031-04-01T04:59:15.412 61.65 -6.31 50026.71 -13.43 delta I 2031-04-01T05:01:25.425 61.15 -6.82 48300.35 -13.12 gamma I 2031-04-01T05:02:17.412 60.95 -7.02 47621.47 -12.99 eta I 2031-04-01T05:02:51.807 60.81 -7.15 47176.12 -12.90 beta I 2031-04-01T05:04:49.706 60.36 -7.61 45674.29 -12.57 alpha I 2031-04-01T05:06:04.125 60.07 -7.90 44747.47 -12.36 4 I 2031-04-01T05:09:00.487 59.40 -8.59 42616.43 -11.76 5 I 2031-04-01T05:09:29.268 59.29 -8.70 42286.33 -11.64 6 I 2031-04-01T05:10:08.814 59.13 -8.85 41823.91 -11.50 No planet occultations 6 E 2031-04-01T06:04:51.294 46.54 -21.50 41795.82 11.55 5 E 2031-04-01T06:05:23.684 46.41 -21.62 42177.22 11.69 4 E 2031-04-01T06:05:57.940 46.28 -21.75 42577.12 11.82 alpha E 2031-04-01T06:08:55.867 45.60 -22.43 44734.83 12.42 beta E 2031-04-01T06:10:08.548 45.32 -22.71 45644.91 12.64 eta E 2031-04-01T06:12:08.041 44.87 -23.16 47176.12 12.98 gamma E 2031-04-01T06:12:42.825 44.73 -23.30 47629.26 13.07 delta E 2031-04-01T06:13:33.895 44.54 -23.49 48300.35 13.21 lambda E 2031-04-01T06:15:43.073 44.04 -23.98 50026.71 13.52 epsilon E 2031-04-01T06:17:11.363 43.71 -24.32 51228.80 13.63