Uranus_2027-01-21T10_28_42.5100_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:14 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2027-01-21T10:19:06.580 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 : 51296310542057088 2Mass ID (if available) : 03572444+2018473 ICRS Star Coord at Epoch: 03h 57m 24.43809s +20:18:46.64687s RUWE (>1.4 is poor) : 0.98 K magnitude : 12.423 G magnitude : 14.563 RP magnitude : 13.865 BP magnitude : 15.099 DUPflag : 0 Distance (au) : 18.900 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -8.86 Sun-Target sep (deg) : 120.67 Sun-Moon sep (deg) : 43.88 B (ring opening deg) : 72.15 PA of pole (deg) : -76.18 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.437 C/A sky separation (km) : 19704.1 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 2027-01-21T08:55:04.724 53.39 -66.97 51385.73 -8.84 lambda I 2027-01-21T08:57:38.445 52.80 -67.57 50026.71 -8.82 delta I 2027-01-21T09:00:54.955 52.03 -68.34 48300.35 -8.75 gamma I 2027-01-21T09:02:12.631 51.73 -68.64 47621.58 -8.72 eta I 2027-01-21T09:03:03.745 51.53 -68.84 47176.12 -8.71 beta I 2027-01-21T09:05:56.277 50.86 -69.51 45680.36 -8.64 alpha I 2027-01-21T09:07:44.120 50.44 -69.94 44749.09 -8.59 4 I 2027-01-21T09:12:03.915 49.43 -70.95 42536.88 -8.47 5 I 2027-01-21T09:12:37.610 49.30 -71.08 42247.26 -8.45 6 I 2027-01-21T09:13:20.324 49.13 -71.25 41879.74 -8.43 Uranus I 2027-01-21T09:49:26.774 40.73 -79.73 25525.19 4.37 4.58 Uranus E 2027-01-21T10:47:47.840 27.25 -86.54 25131.23 -15.93 -16.64 6 E 2027-01-21T11:22:56.389 19.22 -78.28 41813.35 8.21 5 E 2027-01-21T11:23:40.226 19.05 -78.11 42162.57 8.22 4 E 2027-01-21T11:24:27.934 18.87 -77.92 42566.53 8.24 alpha E 2027-01-21T11:28:44.012 17.90 -76.92 44688.22 8.35 beta E 2027-01-21T11:30:38.791 17.47 -76.47 45653.62 8.39 eta E 2027-01-21T11:33:39.893 16.78 -75.76 47176.12 8.44 gamma E 2027-01-21T11:34:33.757 16.58 -75.55 47631.23 8.46 delta E 2027-01-21T11:35:52.772 16.28 -75.24 48300.35 8.48 lambda E 2027-01-21T11:39:15.743 15.51 -74.45 50026.71 8.53 epsilon E 2027-01-21T11:40:40.205 15.20 -74.12 50748.09 8.55