Neptune_2031-05-28T06_20_11.3300_RIO.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:13:47 2023
 
target                  : Neptune
target radius (km)      :  24764.00
C/A epoch               : 2031-05-28T06:15:47.970
Event type              : PgtRgt
                        : Neptune occs: geocentric, topocentric
                        : 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          : 2551822525060002304
2Mass ID (if available) : 00554014+0418206
ICRS Star Coord at Epoch: 00h 55m 40.17326s +04:18:20.35873s
RUWE (>1.4 is poor)     :   0.97
K magnitude             : 14.671
G magnitude             : 16.406
RP magnitude            : 15.796
BP magnitude            : 16.856
DUPflag                 : 0
Distance (au)           : 30.465
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    :  23.86
Sun-Target sep (deg)    :   51.87
Sun-Moon sep (deg)      :  127.40
B (ring opening deg)    :  -14.33
PA of pole (deg)        :  -46.67
Pole direction: RA (deg): 299.33374
               Dec (deg):  42.95036
C/A sky separation (")  :   0.024
C/A sky separation (km) :    521.7
NAIF SPICE kernels      : RAJobs_U111+rgf16.spk
                          URKALLv1.spk
                          nep097.bsp
                          nep101.bsp
                          sat440l.bsp
                          de440.bsp
                          earth_720101_070426.bpc
                          earthstns_itrf93_040916.bsp
                          earth_200101_990628_predict.bpc
                          pck00010.tpc
                          pck.ura111.tpc.Neptune
                          naif0012.tls
                          IAU_NEPTUNE_for_RINGFIT.tpc.BECAREFUL
                          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
---------------------------------------------------------------------------------------------------
Adams         I 2031-05-28T05:53:53.991     4.26x -47.59   62933.00   -46.60
Galatea       I 2031-05-28T05:54:15.021     4.34x -47.51   61953.00   -46.60
Arago         I 2031-05-28T05:55:57.050     4.73x -47.12   57200.00   -46.57
Lassell       I 2031-05-28T05:56:39.999     4.89x -46.96   55200.00   -46.56
LeVerrier     I 2031-05-28T05:57:22.959     5.05  -46.79   53200.00   -46.55
Galle         I 2031-05-28T06:01:23.799 b   5.98  -45.88   42000.00   -46.45
 
Neptune       I 2031-05-28T05:58:28.402     5.31  -46.55   24758.81             -25.78    -26.55
Neptune       E 2031-05-28T06:33:09.094    13.22  -38.65   24759.66              23.43     24.15
 
Galle         E 2031-05-28T06:31:22.302 b  12.82  -39.05   42000.00    46.32
LeVerrier     E 2031-05-28T06:35:23.999    13.73  -38.14   53200.00    46.35
Lassell       E 2031-05-28T06:36:07.148    13.90  -37.97   55200.00    46.35
Arago         E 2031-05-28T06:36:50.296    14.06  -37.81   57200.00    46.35
Galatea       E 2031-05-28T06:38:32.832    14.45  -37.42   61953.00    46.35
Adams         E 2031-05-28T06:38:53.973    14.53  -37.34   62933.00    46.35