Uranus_2039-12-17T14_08_40.4200_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:29:54 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2039-12-17T14:07:03.390 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 : 663673847117789952 2Mass ID (if available) : 08182788+2014096 ICRS Star Coord at Epoch: 08h 18m 27.84537s +20:14:09.60747s RUWE (>1.4 is poor) : 1.00 K magnitude : 13.176 G magnitude : 14.746 RP magnitude : 14.218 BP magnitude : 15.108 DUPflag : 0 Distance (au) : 17.801 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -17.16 Sun-Target sep (deg) : 142.72 Sun-Moon sep (deg) : 169.70 B (ring opening deg) : 44.80 PA of pole (deg) : 91.55 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 0.424 C/A sky separation (km) : 5471.2 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 2039-12-17T13:32:58.044 81.87 -44.69 51539.70 -24.51 lambda I 2039-12-17T13:33:59.807 81.62 -44.45 50026.71 -24.49 delta I 2039-12-17T13:35:10.312 81.35 -44.19 48300.35 -24.48 gamma I 2039-12-17T13:35:38.061 81.24 -44.08 47621.13 -24.47 eta I 2039-12-17T13:35:56.245 81.17 -44.01 47176.12 -24.47 beta I 2039-12-17T13:36:59.151 80.92 -43.77 45641.09 -24.46 alpha I 2039-12-17T13:37:37.185 80.77 -43.63 44695.24 -24.44 4 I 2039-12-17T13:39:04.904 80.43 -43.29 42545.33 -24.42 5 I 2039-12-17T13:39:16.143 80.38 -43.25 42283.36 -24.42 6 I 2039-12-17T13:39:33.469 80.32 -43.18 41870.68 -24.42 Uranus I 2039-12-17T13:43:38.072 79.36 -42.25 25269.81 -45.20 -46.51 Uranus E 2039-12-17T14:30:32.417 68.32 -31.59 25318.15 40.29 41.59 6 E 2039-12-17T14:35:36.587 67.13 -30.45 41798.12 24.39 5 E 2039-12-17T14:35:51.417 67.07 -30.39 42171.73 24.39 4 E 2039-12-17T14:36:09.172 67.00 -30.32 42586.73 24.38 alpha E 2039-12-17T14:37:37.637 66.65 -29.99 44747.09 24.41 beta E 2039-12-17T14:38:15.213 66.51 -29.85 45680.32 24.43 eta E 2039-12-17T14:39:16.601 66.26 -29.62 47176.12 24.44 gamma E 2039-12-17T14:39:35.214 66.19 -29.55 47630.96 24.44 delta E 2039-12-17T14:40:02.602 66.08 -29.44 48300.35 24.44 lambda E 2039-12-17T14:41:13.215 65.81 -29.18 50026.71 24.45 epsilon E 2039-12-17T14:41:44.456 65.69 -29.06 50790.72 24.47