Uranus_2030-01-13T06_22_20.4800_IRTF.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:27 2023
 
target                  : Uranus
target radius (km)      :  25559.00
C/A epoch               : 2030-01-13T06:24:37.920
Event type              : XRgt
                        : No Uranus occs
                        : 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          : 3413208826504255872
2Mass ID (if available) : 04533633+2235552
ICRS Star Coord at Epoch: 04h 53m 36.33651s +22:35:55.19959s
RUWE (>1.4 is poor)     :   1.02
K magnitude             : 11.752
G magnitude             : 15.104
RP magnitude            : 14.145
BP magnitude            : 16.041
DUPflag                 : 0
Distance (au)           : 18.433
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -17.15
Sun-Target sep (deg)    :  142.02
Sun-Moon sep (deg)      :   34.22
B (ring opening deg)    :   81.71
PA of pole (deg)        :  -27.15
Pole direction: RA (deg): 257.31100
               Dec (deg): -15.17500
C/A sky separation (")  :   3.310
C/A sky separation (km) :  44257.4
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 2030-01-13T06:00:34.030    65.23  -27.32   51542.48    -8.79
lambda        I 2030-01-13T06:03:35.792    65.93  -28.01   50026.71    -7.90
delta         I 2030-01-13T06:07:32.218    66.84  -28.90   48300.35    -6.68
gamma         I 2030-01-13T06:09:18.485    67.25  -29.31   47622.13    -6.08
eta           I 2030-01-13T06:10:34.544    67.54  -29.60   47176.12    -5.64
beta          I 2030-01-13T06:15:58.474    68.79  -30.83   45667.48    -3.63
alpha         I 2030-01-13T06:23:42.707    70.57  -32.60   44697.93    -0.52
 
No planet occultations
 
alpha         E 2030-01-13T06:26:12.396    71.15  -33.17   44699.49     0.52
beta          E 2030-01-13T06:33:50.993    72.91  -34.92   45659.25     3.63
eta           E 2030-01-13T06:39:16.917    74.15  -36.17   47176.12     5.65
gamma         E 2030-01-13T06:40:32.715    74.44  -36.46   47620.96     6.09
delta         E 2030-01-13T06:42:19.069    74.85  -36.87   48300.35     6.68
lambda        E 2030-01-13T06:46:15.220    75.75  -37.77   50026.71     7.92
epsilon       E 2030-01-13T06:49:04.304    76.39  -38.42   51433.79     8.80