Uranus_2027-10-02T06_58_04.4800_IRTF.txt Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:15 2023 target : Uranus target radius (km) : 25559.00 C/A epoch : 2027-10-02T07:08:24.340 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 : 145031356140040576 2Mass ID (if available) : 04310769+2146057 ICRS Star Coord at Epoch: 04h 31m 07.69005s +21:46:05.56190s RUWE (>1.4 is poor) : 0.95 K magnitude : 13.707 G magnitude : 16.325 RP magnitude : 15.485 BP magnitude : 17.047 DUPflag : 0 Distance (au) : 18.868 f0 (km) : 0.000 g0 (km) : 0.000 skyplane vel. (km/s) : -8.14 Sun-Target sep (deg) : 119.04 Sun-Moon sep (deg) : 146.63 B (ring opening deg) : 78.82 PA of pole (deg) : -55.48 Pole direction: RA (deg): 257.31100 Dec (deg): -15.17500 C/A sky separation (") : 1.280 C/A sky separation (km) : 17522.6 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 2027-10-02T05:27:01.890 -26.76x -18.97 51472.98 -7.41 lambda I 2027-10-02T05:30:17.007 -26.16x -19.74 50026.71 -7.40 delta I 2027-10-02T05:34:10.802 -25.43x -20.65 48300.35 -7.37 gamma I 2027-10-02T05:35:42.144 -25.14x -21.01 47628.01 -7.35 eta I 2027-10-02T05:36:43.635 -24.95x -21.25 47176.12 -7.34 beta I 2027-10-02T05:40:12.335 -24.29x -22.07 45646.94 -7.31 alpha I 2027-10-02T05:42:23.442 -23.88x -22.58 44691.30 -7.29 4 I 2027-10-02T05:47:14.204 -22.95x -23.72 42583.07 -7.22 5 I 2027-10-02T05:47:53.362 -22.82x -23.87 42300.47 -7.21 6 I 2027-10-02T05:48:51.468 -22.64x -24.10 41876.50 -7.20 Uranus I 2027-10-02T06:29:32.194 -14.55x -33.60 25554.92 0.93 0.97 Uranus E 2027-10-02T07:45:17.513 1.49x -50.89 24996.51 -11.17 -11.68 6 E 2027-10-02T08:24:52.780 10.20 -59.42 41824.37 7.49 5 E 2027-10-02T08:25:37.002 10.36 -59.57 42157.25 7.51 4 E 2027-10-02T08:26:25.880 10.54 -59.74 42530.43 7.52 alpha E 2027-10-02T08:31:19.775 11.63 -60.74 44751.92 7.61 beta E 2027-10-02T08:33:19.415 12.08 -61.14 45660.93 7.64 eta E 2027-10-02T08:36:37.047 12.81 -61.81 47176.12 7.69 gamma E 2027-10-02T08:37:35.835 13.03 -62.00 47628.47 7.70 delta E 2027-10-02T08:39:02.962 13.36 -62.29 48300.35 7.72 lambda E 2027-10-02T08:42:45.835 14.19 -63.02 50026.71 7.77 epsilon E 2027-10-02T08:44:18.087 14.53 -63.32 50744.35 7.79