Uranus_2031-12-16T04_12_16.0500_RIO.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:32:57 2023
 
target                  : Uranus
target radius (km)      :  25559.00
C/A epoch               : 2031-12-16T04:10:55.650
Event type              : XRt
                        : No Uranus occs
                        : Ring occs: topocentric, not geoecetric
Observer code           : RIO
Location                : Rio de Janeiro
Latitude (deg)          : -22.89506
E. Longitude (deg)      : 316.77708
Altitude (km)           :   0.033
Gaia source ID          : 3404585769124337280
2Mass ID (if available) : 05372539+2329276
ICRS Star Coord at Epoch: 05h 37m 25.40006s +23:29:27.45782s
RUWE (>1.4 is poor)     :   0.99
K magnitude             : 14.700
G magnitude             : 18.255
RP magnitude            : 17.222
BP magnitude            : 19.379
DUPflag                 : 0
Distance (au)           : 18.103
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -23.45
Sun-Target sep (deg)    :  178.71
Sun-Moon sep (deg)      :  155.68
B (ring opening deg)    :   79.36
PA of pole (deg)        :   39.87
Pole direction: RA (deg): 257.31100
               Dec (deg): -15.17500
C/A sky separation (")  :   3.602
C/A sky separation (km) :  47291.7
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 2031-12-16T03:58:02.520    41.18  -40.92   50958.54    -8.23
lambda        I 2031-12-16T04:00:02.258    41.02  -40.75   50026.71    -7.16
delta         I 2031-12-16T04:05:21.433    40.58  -40.28   48300.35    -3.59
 
No planet occultations
 
delta         E 2031-12-16T04:15:21.404    39.67  -39.31   48300.35     3.59
lambda        E 2031-12-16T04:20:40.701    39.14  -38.76   50026.71     7.16
epsilon       E 2031-12-16T04:22:18.077    38.98  -38.58   50772.97     8.23