Saturn_2031-02-26T09_14_58.5700_PMO.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:13:45 2023 target : Saturn target radius (km) : 60268.00 C/A epoch : 2031-02-26T09:14:19.020 Event type : PgtRgt : Saturn 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 : 50185593342556032 2Mass ID (if available) : 04013248+1851204 ICRS Star Coord at Epoch: 04h 01m 32.49801s +18:51:20.21562s RUWE (>1.4 is poor) : 1.85 K magnitude : 9.755 G magnitude : 12.339 RP magnitude : 11.554 BP magnitude : 13.000 DUPflag : 0 Distance (au) : 9.089 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : 12.35 Sun-Target sep (deg) : 84.97 Sun-Moon sep (deg) : 26.60 B (ring opening deg) : -24.96 PA of pole (deg) : -2.42 Pole direction: RA (deg): 40.60000 Dec (deg): 83.50000 C/A sky separation (") : 3.343 C/A sky separation (km) : 22037.8 NAIF SPICE kernels : RAJobs_U111+rgf15.spk URKALLv1.spk Saturn_ring_plane.tf sat378.bsp sat286.bsp vgr1.sat286.bsp vgr2.sat286.bsp HST1081HSPephemUTC.bsp pfbl0000r.bsp cassini.bsp earthstns_itrf93_040916.bsp earth_200101_990628_predict.bpc earth_720101_070426.bpc cpck28Mar2008.tpc pck.sat440.tpc IAU_SATURN_for_RINGFIT.tpc 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 --------------------------------------------------------------------------------------------------- F ring I 2031-02-26T06:06:40.986 39.69 41.70x 140461.00 -13.14 A (OER) I 2031-02-26T06:11:22.006 40.68 41.09x 136774.40 -13.09 Encke (OEG) I 2031-02-26T06:15:13.736 41.50 40.58x 133744.89 -13.05 Encke (IEG) I 2031-02-26T06:15:38.379 41.59 40.52x 133423.31 -13.05 A (IER) I 2031-02-26T06:30:16.067 44.70 38.46x 122050.38 -12.86 B (OER) I 2031-02-26T06:36:05.527 45.93 37.59x 117571.16 -12.77 B (IER) I 2031-02-26T07:10:24.008 53.16 32.09x 91984.69 -12.00 C (IER) I 2031-02-26T07:35:44.576 58.40 27.66x 74490.58 -10.90 Saturn I 2031-02-26T07:56:18.466 62.54 23.89x 60255.71 -5.68 -6.97 Saturn E 2031-02-26T10:31:49.382 73.12 -7.59 59905.06 -32.72 -38.10 C (IER) E 2031-02-26T09:58:39.789 b 76.62 -0.62x 74490.58 10.77 B (IER) E 2031-02-26T10:24:18.425 b 74.16 -6.00 91984.69 11.85 B (OER) E 2031-02-26T10:59:04.076 68.67 -13.35 117571.16 12.59 A (IER) E 2031-02-26T11:04:58.635 67.60 -14.60 122050.38 12.67 Encke (IEG) E 2031-02-26T11:19:49.776 64.80 -17.76 133423.31 12.84 Encke (OEG) E 2031-02-26T11:20:14.809 64.72 -17.84 133744.89 12.85 A (OER) E 2031-02-26T11:24:10.250 63.96 -18.68 136774.40 12.89 F ring E 2031-02-26T11:28:55.852 63.02 -19.69 140461.00 12.93