Uranus_2027-10-25T11_47_23.7800_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:16 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2027-10-25T11:48:31.560 Event type : PgtRgt : Uranus occs: geocentric, topocentric : Ring occs: geocentric, topocentric Observer code : IRTF Location : Mauna Kea/IRTF Latitude (deg) : 19.82622 E. Longitude (deg) : 204.52800 Altitude (km) : 4.168 Gaia source ID : 144666185138539904 2Mass ID (if available) : 04285155+2141211 ICRS Star Coord at Epoch: 04h 28m 51.54871s +21:41:21.43167s RUWE (>1.4 is poor) : 0.97 K magnitude : 12.904 G magnitude : 16.292 RP magnitude : 15.282 BP magnitude : 17.340 DUPflag : 0 Distance (au) : 18.571 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -17.32 Sun-Target sep (deg) : 142.54 Sun-Moon sep (deg) : 89.92 B (ring opening deg) : 78.42 PA of pole (deg) : -57.47 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.624 C/A sky separation (km) : 21868.3 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 2027-10-25T11:05:05.939 68.22 -73.90 51254.61 -16.09 lambda I 2027-10-25T11:06:22.165 68.51 -73.63 50026.71 -16.06 delta I 2027-10-25T11:08:10.104 68.93 -73.25 48300.35 -15.92 gamma I 2027-10-25T11:08:52.212 69.09 -73.10 47631.13 -15.86 eta I 2027-10-25T11:09:20.933 69.21 -72.99 47176.12 -15.82 beta I 2027-10-25T11:10:58.384 69.58 -72.64 45641.30 -15.67 alpha I 2027-10-25T11:11:57.367 69.81 -72.43 44721.03 -15.58 4 I 2027-10-25T11:14:18.944 70.36 -71.92 42535.26 -15.30 5 I 2027-10-25T11:14:39.792 70.44 -71.84 42214.42 -15.24 6 I 2027-10-25T11:15:02.722 70.53 -71.76 41865.03 -15.21 Uranus I 2027-10-25T11:36:06.908 75.43 -67.07 25542.33 -1.95 -2.04 Uranus E 2027-10-25T12:00:01.734 80.94 -61.60 25059.95 -10.88 -11.38 6 E 2027-10-25T12:21:02.716 85.60 -56.72 41796.07 15.25 5 E 2027-10-25T12:21:28.509 85.68 -56.62 42175.28 15.28 4 E 2027-10-25T12:21:53.342 85.77 -56.53 42563.52 15.34 alpha E 2027-10-25T12:24:14.177 86.24 -55.98 44746.17 15.62 beta E 2027-10-25T12:25:13.521 86.43 -55.75 45674.39 15.72 eta E 2027-10-25T12:26:48.549 86.73 -55.38 47176.12 15.87 gamma E 2027-10-25T12:27:16.812 86.82 -55.27 47625.24 15.91 delta E 2027-10-25T12:27:59.160 86.94 -55.10 48300.35 15.97 lambda E 2027-10-25T12:29:46.754 87.24 -54.68 50026.71 16.12 epsilon E 2027-10-25T12:30:33.198 87.36 -54.50 50776.53 16.15