Uranus_2031-08-30T12_45_31.6900_MCD.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:24:23 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-08-30T12:43:26.590 Event type : PtRgt : Uranus occs: topocentric, not geoecetric : Ring occs: geocentric, topocentric Observer code : MCD Location : McDonald Obs. 2.7m Latitude (deg) : 30.67158 E. Longitude (deg) : 255.97844 Altitude (km) : 2.075 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) : 136.33 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 (") : 1.753 C/A sky separation (km) : 24696.6 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 2031-08-30T11:56:49.672 60.06 -8.11 51445.24 -14.21 lambda I 2031-08-30T11:58:29.637 60.42 -7.76 50026.71 -14.13 delta I 2031-08-30T12:00:32.599 60.86 -7.34 48300.35 -13.95 gamma I 2031-08-30T12:01:20.745 61.03 -7.17 47630.38 -13.88 eta I 2031-08-30T12:01:53.537 61.15 -7.06 47176.12 -13.83 beta I 2031-08-30T12:03:43.548 61.54 -6.68 45665.18 -13.64 alpha I 2031-08-30T12:04:55.098 61.80 -6.43 44693.54 -13.51 4 I 2031-08-30T12:07:31.956 62.36 -5.88 42598.64 -13.19 5 I 2031-08-30T12:07:53.420 62.44 -5.81 42313.44 -13.15 6 I 2031-08-30T12:08:29.544 62.56 -5.68 41842.53 -13.08 Uranus I 2031-08-30T12:37:07.893 68.65 0.35x 25434.15 -5.41 -5.67 Uranus E 2031-08-30T12:48:37.699 71.04 2.79x 25196.37 -9.31 -9.75 6 E 2031-08-30T13:17:26.193 76.79 8.95x 41876.06 13.03 5 E 2031-08-30T13:17:53.559 76.88 9.05x 42227.25 13.10 4 E 2031-08-30T13:18:16.866 76.95 9.13x 42528.39 13.13 alpha E 2031-08-30T13:21:00.423 77.46 9.71x 44706.67 13.44 beta E 2031-08-30T13:22:09.763 77.67 9.96x 45641.51 13.57 eta E 2031-08-30T13:24:02.086 78.02 10.36x 47176.12 13.76 gamma E 2031-08-30T13:24:34.834 78.11 10.48x 47627.40 13.81 delta E 2031-08-30T13:25:23.451 78.26 10.65x 48300.35 13.88 lambda E 2031-08-30T13:27:27.088 78.63 11.10x 50026.71 14.05 epsilon E 2031-08-30T13:28:19.030 78.78 11.28x 50758.03 14.13