Uranus_2031-10-19T11_17_01.1100_MCD.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:24:25 2023
 
target                  : Uranus
target radius (km)      :  25559.00
C/A epoch               : 2031-10-19T11:15:41.200
Event type              : XRgt
                        : No Uranus occs
                        : Ring occs: geocentric, topocentric
Observer code           : MCD
Location                : McDonald Obs. 2.7m
Latitude (deg)          :  30.67158
E. Longitude (deg)      : 255.97844
Altitude (km)           :   2.075
Gaia source ID          : 3427632808450590592
2Mass ID (if available) : 05453557+2332152
ICRS Star Coord at Epoch: 05h 45m 35.57712s +23:32:15.10550s
RUWE (>1.4 is poor)     :   1.05
K magnitude             : 11.800
G magnitude             : 15.493
RP magnitude            : 14.471
BP magnitude            : 16.559
DUPflag                 : 0
Distance (au)           : 18.599
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    :  -7.99
Sun-Target sep (deg)    :  118.74
Sun-Moon sep (deg)      :  158.66
B (ring opening deg)    :   78.03
PA of pole (deg)        :   47.31
Pole direction: RA (deg): 257.31100
               Dec (deg): -15.17500
C/A sky separation (")  :   3.479
C/A sky separation (km) :  46933.4
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 2031-10-19T10:38:10.840    82.33  -31.44   50760.59    -3.06
lambda        I 2031-10-19T10:42:25.777    82.67  -30.53   50026.71    -2.72
delta         I 2031-10-19T10:55:37.580    83.01  -27.70   48300.35    -1.63
gamma         I 2031-10-19T11:04:52.602    82.53  -25.72   47624.61    -0.80
 
No planet occultations
 
gamma         E 2031-10-19T11:22:25.934    80.39  -21.94   47623.70     0.80
delta         E 2031-10-19T11:31:41.805    78.86  -19.95   48300.35     1.63
lambda        E 2031-10-19T11:44:52.856    76.44  -17.11   50026.71     2.72
epsilon       E 2031-10-19T11:50:04.980    75.44  -15.99   50937.70     3.06