Uranus_2031-01-14T02_49_19.2800_RIO.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:32:46 2023
 
target                  : Uranus
target radius (km)      :  25559.00
C/A epoch               : 2031-01-14T02:46:50.100
Event type              : XRgt
                        : No Uranus occs
                        : Ring occs: geocentric, topocentric
Observer code           : RIO
Location                : Rio de Janeiro
Latitude (deg)          : -22.89506
E. Longitude (deg)      : 316.77708
Altitude (km)           :   0.033
Gaia source ID          : 3415715781736419968
2Mass ID (if available) : 05124486+2305231
ICRS Star Coord at Epoch: 05h 12m 44.87615s +23:05:23.29995s
RUWE (>1.4 is poor)     :   1.04
K magnitude             : 14.868
G magnitude             : 18.253
RP magnitude            : 16.840
BP magnitude            : 18.528
DUPflag                 : 0
Distance (au)           : 18.327
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -18.32
Sun-Target sep (deg)    :  145.86
Sun-Moon sep (deg)      :   95.30
B (ring opening deg)    :   82.04
PA of pole (deg)        :    6.12
Pole direction: RA (deg): 257.31100
               Dec (deg): -15.17500
C/A sky separation (")  :   3.526
C/A sky separation (km) :  46865.2
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 2031-01-14T02:29:29.419    36.21  -45.20   51225.91    -7.30
lambda        I 2031-01-14T02:32:30.548    35.82  -45.32   50026.71    -6.07
delta         I 2031-01-14T02:38:20.949    35.05  -45.53   48300.35    -3.75
gamma         I 2031-01-14T02:42:09.466    34.54  -45.64   47628.38    -2.12
 
No planet occultations
 
gamma         E 2031-01-14T02:51:49.387    33.18  -45.83   47629.43     2.12
delta         E 2031-01-14T02:55:37.602    32.63  -45.87   48300.35     3.74
lambda        E 2031-01-14T03:01:28.507    31.76  -45.89   50026.71     6.06
epsilon       E 2031-01-14T03:05:06.329    31.21  -45.89   51489.37     7.28