Uranus_2039-01-18T07_15_54.5700_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:29:50 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2039-01-18T07:19:08.390 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 : 673770937273169536 2Mass ID (if available) : 07530211+2127349 ICRS Star Coord at Epoch: 07h 53m 02.09894s +21:27:34.82357s RUWE (>1.4 is poor) : 0.95 K magnitude : 13.973 G magnitude : 15.403 RP magnitude : 14.891 BP magnitude : 15.741 DUPflag : 0 Distance (au) : 17.661 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -23.26 Sun-Target sep (deg) : 178.54 Sun-Moon sep (deg) : 98.72 B (ring opening deg) : 50.73 PA of pole (deg) : 87.91 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 3.424 C/A sky separation (km) : 43861.0 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 2039-01-18T07:02:39.839 42.36 -41.06 50743.95 -14.63 lambda I 2039-01-18T07:03:30.029 42.56 -41.25 50026.71 -13.94 delta I 2039-01-18T07:05:43.286 43.07 -41.77 48300.35 -11.94 gamma I 2039-01-18T07:06:42.416 43.30 -41.99 47622.60 -10.98 eta I 2039-01-18T07:07:24.414 43.46 -42.16 47176.12 -10.28 beta I 2039-01-18T07:10:19.471 44.14 -42.83 45646.60 -7.15 alpha I 2039-01-18T07:13:12.781 44.81 -43.50 44697.42 -3.79 No planet occultations alpha E 2039-01-18T07:19:26.516 46.25 -44.94 44704.72 3.80 beta E 2039-01-18T07:22:18.805 46.92 -45.61 45654.62 7.16 eta E 2039-01-18T07:25:12.755 47.59 -46.28 47176.12 10.29 gamma E 2039-01-18T07:25:54.561 47.75 -46.44 47620.97 10.99 delta E 2039-01-18T07:26:53.771 47.98 -46.67 48300.35 11.95 lambda E 2039-01-18T07:29:06.851 48.49 -47.19 50026.71 13.96 epsilon E 2039-01-18T07:30:08.844 48.73 -47.43 50919.04 14.65