Uranus_2027-01-21T10_28_42.5100_MCD.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:23:58 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2027-01-21T10:18:31.770 Event type : PgtRgt : Uranus occs: geocentric, topocentric : 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 : 51296310542057088 2Mass ID (if available) : 03572444+2018473 ICRS Star Coord at Epoch: 03h 57m 24.43809s +20:18:46.64687s RUWE (>1.4 is poor) : 0.98 K magnitude : 12.423 G magnitude : 14.563 RP magnitude : 13.865 BP magnitude : 15.099 DUPflag : 0 Distance (au) : 18.900 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -8.86 Sun-Target sep (deg) : 120.67 Sun-Moon sep (deg) : 43.34 B (ring opening deg) : 72.15 PA of pole (deg) : -76.18 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.238 C/A sky separation (km) : 16977.0 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 2027-01-21T08:49:31.299 10.92 -64.65 51401.31 -8.74 lambda I 2027-01-21T08:52:08.631 10.38 -64.12 50026.71 -8.72 delta I 2027-01-21T08:55:27.185 9.70 -63.44 48300.35 -8.67 gamma I 2027-01-21T08:56:45.583 9.43 -63.17 47621.45 -8.65 eta I 2027-01-21T08:57:37.113 9.25 -62.99 47176.12 -8.64 beta I 2027-01-21T09:00:30.937 8.66 -62.39 45680.00 -8.59 alpha I 2027-01-21T09:02:19.204 8.29 -62.02 44749.90 -8.55 4 I 2027-01-21T09:06:39.677 7.40 -61.11 42538.79 -8.46 5 I 2027-01-21T09:07:12.952 7.29 -61.00 42252.25 -8.44 6 I 2027-01-21T09:07:56.308 7.14 -60.85 41879.68 -8.44 Uranus I 2027-01-21T09:42:27.313 0.21x -53.54 25478.15 6.78 7.10 Uranus E 2027-01-21T10:53:50.450 -13.32x -38.20 25072.86 -17.04 -17.80 6 E 2027-01-21T11:27:37.760 -19.18x -30.94 41810.65 8.18 5 E 2027-01-21T11:28:22.252 -19.31x -30.78 42165.47 8.19 4 E 2027-01-21T11:29:10.242 -19.44x -30.61 42570.03 8.20 alpha E 2027-01-21T11:33:27.617 -20.15x -29.69 44687.19 8.27 beta E 2027-01-21T11:35:23.455 -20.47x -29.28 45652.31 8.30 eta E 2027-01-21T11:38:26.762 -20.97x -28.63 47176.12 8.34 gamma E 2027-01-21T11:39:21.320 -21.12x -28.43 47631.35 8.35 delta E 2027-01-21T11:40:41.372 -21.33x -28.15 48300.35 8.36 lambda E 2027-01-21T11:44:07.320 -21.88x -27.42 50026.71 8.40 epsilon E 2027-01-21T11:45:33.677 -22.11x -27.11 50752.70 8.41