Uranus_2026-12-04T17_26_50.5100_AAT.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:36:45 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2026-12-04T17:23:49.030 Event type : XRt : No Uranus occs : Ring occs: topocentric, not geoecetric Observer code : AAT Location : Siding Spring (AAT) Latitude (deg) : -31.27703 E. Longitude (deg) : 149.06608 Altitude (km) : 1.164 Gaia source ID : 52147087726499712 2Mass ID (if available) : 04033731+2035514 ICRS Star Coord at Epoch: 04h 03m 37.32259s +20:35:50.96148s RUWE (>1.4 is poor) : 0.99 K magnitude : 14.810 G magnitude : 18.584 RP magnitude : 17.379 BP magnitude : 20.017 DUPflag : 0 Distance (au) : 18.456 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -23.07 Sun-Target sep (deg) : 170.72 Sun-Moon sep (deg) : 141.28 B (ring opening deg) : 73.48 PA of pole (deg) : -73.51 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 3.662 C/A sky separation (km) : 49017.8 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 2026-12-04T17:16:21.722 12.32 -17.88 51014.29 -5.72 lambda I 2026-12-04T17:19:49.151 11.70 -17.32 50026.71 -3.60 No planet occultations lambda E 2026-12-04T17:30:11.176 9.82 -15.61 50026.71 3.60 epsilon E 2026-12-04T17:33:10.694 9.27 -15.11 50853.08 5.71