Uranus_2027-01-21T10_28_42.5100_PMO.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:19:34 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2027-01-21T10:31:36.400 Event type : PgtRgt : Uranus occs: geocentric, topocentric : Ring occs: geocentric, topocentric Observer code : PMO Location : Purple Mtn Obs. Nanking Latitude (deg) : 32.06667 E. Longitude (deg) : 118.82089 Altitude (km) : 0.364 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) : 44.98 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 (") : 1.308 C/A sky separation (km) : 17934.6 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 2027-01-21T09:06:38.904 49.37 3.30x 51404.62 -8.90 lambda I 2027-01-21T09:09:13.624 49.92 2.81x 50026.71 -8.89 delta I 2027-01-21T09:12:28.334 50.60 2.19x 48300.35 -8.84 gamma I 2027-01-21T09:13:45.195 50.87 1.94x 47621.44 -8.82 eta I 2027-01-21T09:14:35.705 51.05 1.78x 47176.12 -8.81 beta I 2027-01-21T09:17:26.076 51.65 1.23x 45679.95 -8.76 alpha I 2027-01-21T09:19:12.148 52.03 0.89x 44749.98 -8.73 4 I 2027-01-21T09:23:27.355 52.92 0.07x 42538.96 -8.64 5 I 2027-01-21T09:23:59.923 53.04 -0.04x 42252.65 -8.62 6 I 2027-01-21T09:24:42.455 53.19 -0.17x 41879.66 -8.61 Uranus I 2027-01-21T09:58:46.703 60.28 -6.91 25485.82 6.45 6.75 Uranus E 2027-01-21T11:03:23.749 72.67 -20.12 25099.44 -16.54 -17.28 6 E 2027-01-21T11:35:53.023 77.17 -26.91 41812.44 8.66 5 E 2027-01-21T11:36:34.758 77.24 -27.06 42163.47 8.67 4 E 2027-01-21T11:37:20.052 77.31 -27.22 42567.66 8.69 alpha E 2027-01-21T11:41:23.171 77.67 -28.07 44687.89 8.78 beta E 2027-01-21T11:43:12.324 77.81 -28.45 45653.23 8.82 eta E 2027-01-21T11:46:04.731 78.01 -29.06 47176.12 8.87 gamma E 2027-01-21T11:46:56.025 78.06 -29.24 47631.27 8.88 delta E 2027-01-21T11:48:11.281 78.13 -29.50 48300.35 8.90 lambda E 2027-01-21T11:51:24.693 78.29 -30.18 50026.71 8.95 epsilon E 2027-01-21T11:52:45.324 78.34 -30.47 50749.10 8.96