Uranus_2039-01-20T18_04_43.9900_SAAO.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:40:34 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2039-01-20T18:07:31.410 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 : 673816841883639808 2Mass ID (if available) : 07523500+2128414 ICRS Star Coord at Epoch: 07h 52m 35.00013s +21:28:41.51672s RUWE (>1.4 is poor) : 1.02 K magnitude : 13.393 G magnitude : 15.741 RP magnitude : 14.995 BP magnitude : 16.333 DUPflag : 0 Distance (au) : 17.662 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -23.20 Sun-Target sep (deg) : 176.01 Sun-Moon sep (deg) : 132.88 B (ring opening deg) : 50.84 PA of pole (deg) : 87.84 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 3.462 C/A sky separation (km) : 44343.1 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 2039-01-20T17:56:22.664 5.19 -2.99x 51395.20 -14.74 lambda I 2039-01-20T17:58:01.061 5.49 -3.30x 50026.71 -13.22 delta I 2039-01-20T18:00:22.845 5.93 -3.75x 48300.35 -11.09 gamma I 2039-01-20T18:01:26.055 6.12 -3.95x 47631.51 -10.06 eta I 2039-01-20T18:02:13.134 6.26 -4.10x 47176.12 -9.28 beta I 2039-01-20T18:05:33.981 6.88 -4.73x 45670.14 -5.68 No planet occultations beta E 2039-01-20T18:15:17.082 8.64 -6.54 45676.21 5.69 eta E 2039-01-20T18:18:36.516 9.23 -7.16 47176.12 9.29 gamma E 2039-01-20T18:19:23.370 9.37 -7.30 47629.76 10.08 delta E 2039-01-20T18:20:26.675 9.56 -7.50 48300.35 11.10 lambda E 2039-01-20T18:22:48.252 9.98 -7.93 50026.71 13.25 epsilon E 2039-01-20T18:24:37.211 10.30 -8.26 51552.63 14.76