Uranus_2026-12-09T09_30_50.8300_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:13 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2026-12-09T09:30:31.660 Event type : PgtRgt : Uranus occs: geocentric, topocentric : 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 : 52148775651908096 2Mass ID (if available) : 04024928+2033368 ICRS Star Coord at Epoch: 04h 02m 49.28674s +20:33:36.25924s RUWE (>1.4 is poor) : 1.22 K magnitude : 13.198 G magnitude : 16.078 RP magnitude : 15.180 BP magnitude : 16.886 DUPflag : 0 Distance (au) : 18.472 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -22.55 Sun-Target sep (deg) : 165.79 Sun-Moon sep (deg) : 161.54 B (ring opening deg) : 73.32 PA of pole (deg) : -73.88 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 0.444 C/A sky separation (km) : 5947.7 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 2026-12-09T08:54:32.343 85.38 -71.20 51528.98 -23.63 lambda I 2026-12-09T08:55:35.956 85.63 -71.45 50026.71 -23.61 delta I 2026-12-09T08:56:49.092 85.91 -71.72 48300.35 -23.60 gamma I 2026-12-09T08:57:17.757 86.02 -71.83 47623.99 -23.59 eta I 2026-12-09T08:57:36.742 86.09 -71.91 47176.12 -23.59 beta I 2026-12-09T08:58:41.423 86.33 -72.15 45650.37 -23.58 alpha I 2026-12-09T08:59:20.981 86.48 -72.30 44720.29 -23.57 4 I 2026-12-09T09:00:50.376 86.82 -72.64 42616.14 -23.55 5 I 2026-12-09T09:01:04.833 86.87 -72.70 42282.51 -23.55 6 I 2026-12-09T09:01:24.485 86.95 -72.77 41805.44 -23.53 Uranus I 2026-12-09T09:12:44.233 89.04 -75.36 25244.25 12.61 13.19 Uranus E 2026-12-09T09:48:10.428 81.85 -83.18 25048.87 -16.23 -16.96 6 E 2026-12-09T09:59:24.749 79.22 -85.35 41875.68 23.53 5 E 2026-12-09T09:59:38.018 79.17 -85.38 42207.21 23.54 4 E 2026-12-09T09:59:51.830 79.11 -85.42 42526.39 23.54 alpha E 2026-12-09T10:01:25.400 78.75 -85.68 44725.68 23.56 beta E 2026-12-09T10:02:05.795 78.59 -85.79 45675.92 23.57 eta E 2026-12-09T10:03:09.426 78.34 -85.95 47176.12 23.58 gamma E 2026-12-09T10:03:28.558 78.27 -86.00 47627.28 23.58 delta E 2026-12-09T10:03:57.094 78.15 -86.06 48300.35 23.59 lambda E 2026-12-09T10:05:10.259 77.87 -86.23 50026.71 23.60 epsilon E 2026-12-09T10:05:43.512 77.74 -86.30 50811.61 23.62