Uranus_2031-02-04T23_11_42.6000_SAAO.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:39:18 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2031-02-04T23:03:41.210 Event type : PtRgt : Uranus occs: topocentric, not geoecetric : 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 : 3415398160315795328 2Mass ID (if available) : 05101813+2302465 ICRS Star Coord at Epoch: 05h 10m 18.13164s +23:02:46.45229s RUWE (>1.4 is poor) : 1.07 K magnitude : 13.064 G magnitude : 14.867 RP magnitude : 14.207 BP magnitude : 15.250 DUPflag : 0 Distance (au) : 18.589 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -9.92 Sun-Target sep (deg) : 123.08 Sun-Moon sep (deg) : 27.85 B (ring opening deg) : 82.13 PA of pole (deg) : 1.86 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.666 C/A sky separation (km) : 22460.3 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 2031-02-04T21:49:10.284 20.01 -39.53 50825.85 -9.14 lambda I 2031-02-04T21:50:37.665 19.80 -39.63 50026.71 -9.13 delta I 2031-02-04T21:53:47.765 19.33 -39.84 48300.35 -9.04 gamma I 2031-02-04T21:55:02.981 19.14 -39.92 47622.20 -9.00 eta I 2031-02-04T21:55:52.636 19.02 -39.98 47176.12 -8.97 beta I 2031-02-04T21:58:40.796 18.60 -40.15 45675.37 -8.88 alpha I 2031-02-04T22:00:26.259 18.33 -40.25 44742.11 -8.81 4 I 2031-02-04T22:04:31.491 17.70 -40.48 42602.53 -8.64 5 I 2031-02-04T22:05:04.469 17.62 -40.51 42315.10 -8.62 6 I 2031-02-04T22:05:57.686 17.48 -40.56 41861.28 -8.59 Uranus I 2031-02-04T22:45:02.432 11.12 -41.72 25159.42 6.52 6.83 Uranus E 2031-02-04T23:21:58.018 4.61x -41.17 25043.35 7.44 7.79 6 E 2031-02-05T00:01:51.064 -2.84x -38.83 41859.42 8.41 5 E 2031-02-05T00:02:32.070 -2.97x -38.77 42205.88 8.44 4 E 2031-02-05T00:03:10.008 -3.09x -38.72 42528.26 8.46 alpha E 2031-02-05T00:07:22.799 -3.90x -38.37 44685.83 8.61 beta E 2031-02-05T00:09:16.325 -4.27x -38.21 45666.27 8.67 eta E 2031-02-05T00:12:09.620 -4.82x -37.96 47176.12 8.75 gamma E 2031-02-05T00:13:00.903 -4.99x -37.88 47625.60 8.78 delta E 2031-02-05T00:14:17.640 -5.24x -37.76 48300.35 8.81 lambda E 2031-02-05T00:17:32.717 -5.87x -37.46 50026.71 8.89 epsilon E 2031-02-05T00:19:37.891 -6.27x -37.26 51142.17 8.90