Uranus_2031-01-17T20_39_01.0900_SAAO.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:39:17 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-01-17T20:38:35.590 Event type : XRgt : No Uranus occs : Ring occs: geocentric, topocentric Observer code : SAAO Location : So. Afr. Astro. Obs. (Sutherland) Latitude (deg) : -32.37953 E. Longitude (deg) : 20.81070 Altitude (km) : 1.768 Gaia source ID : 3415726124017657984 2Mass ID (if available) : 05121369+2304559 ICRS Star Coord at Epoch: 05h 12m 13.69695s +23:04:55.79204s RUWE (>1.4 is poor) : 1.06 K magnitude : 13.212 G magnitude : 15.284 RP magnitude : 14.590 BP magnitude : 15.811 DUPflag : 0 Distance (au) : 18.364 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -17.13 Sun-Target sep (deg) : 141.93 Sun-Moon sep (deg) : 145.37 B (ring opening deg) : 82.06 PA of pole (deg) : 5.22 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 2.734 C/A sky separation (km) : 36410.3 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 2031-01-17T20:05:15.122 34.68 -24.52 50747.15 -12.11 lambda I 2031-01-17T20:06:15.185 34.67 -24.66 50026.71 -11.90 delta I 2031-01-17T20:08:43.490 34.66 -25.00 48300.35 -11.38 gamma I 2031-01-17T20:09:43.797 34.65 -25.14 47621.12 -11.15 eta I 2031-01-17T20:10:23.997 34.65 -25.24 47176.12 -10.99 beta I 2031-01-17T20:12:43.709 34.63 -25.56 45680.43 -10.41 alpha I 2031-01-17T20:14:19.151 34.61 -25.77 44706.43 -9.97 4 I 2031-01-17T20:18:08.706 34.55 -26.29 42547.55 -8.81 5 I 2031-01-17T20:18:41.544 34.55 -26.36 42257.78 -8.62 6 I 2031-01-17T20:19:27.096 34.53 -26.46 41876.18 -8.38 No planet occultations 6 E 2031-01-17T20:57:27.533 33.14 -31.02 41844.16 8.38 5 E 2031-01-17T20:58:08.296 33.10 -31.09 42181.06 8.61 4 E 2031-01-17T20:58:47.004 33.07 -31.16 42525.95 8.80 alpha E 2031-01-17T21:02:37.282 32.84 -31.56 44684.61 9.96 beta E 2031-01-17T21:04:13.229 32.75 -31.72 45661.53 10.39 eta E 2031-01-17T21:06:34.913 32.60 -31.96 47176.12 10.98 gamma E 2031-01-17T21:07:15.658 32.55 -32.03 47626.56 11.13 delta E 2031-01-17T21:08:15.565 32.49 -32.12 48300.35 11.36 lambda E 2031-01-17T21:10:44.102 32.32 -32.36 50026.71 11.88 epsilon E 2031-01-17T21:12:20.239 32.21 -32.51 51183.47 12.09