Neptune_2031-10-17T07_12_26.9500_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               : 2031-10-17T07:09:26.930
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          : 2551675048767534848
2Mass ID (if available) : 00520885+0349541
ICRS Star Coord at Epoch: 00h 52m 08.87093s +03:49:54.10176s
RUWE (>1.4 is poor)     :   1.06
K magnitude             : 14.714
G magnitude             : 16.306
RP magnitude            : 15.789
BP magnitude            : 16.653
DUPflag                 : 0
Distance (au)           : 28.866
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -23.90
Sun-Target sep (deg)    :  170.07
Sun-Moon sep (deg)      :  157.71
B (ring opening deg)    :  -14.65
PA of pole (deg)        :  -46.49
Pole direction: RA (deg): 299.33374
               Dec (deg):  42.95036
C/A sky separation (")  :   0.924
C/A sky separation (km) :  19345.9
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 2031-10-17T06:30:17.942    19.88  -24.87   62933.00   -33.43
Galatea       I 2031-10-17T06:30:47.435    19.77  -24.77   61953.00   -33.02
Arago         I 2031-10-17T06:33:16.635    19.21  -24.24   57200.00   -30.60
Lassell       I 2031-10-17T06:34:23.373    18.96  -24.00   55200.00   -29.31
LeVerrier     I 2031-10-17T06:35:33.356    18.70  -23.75   53200.00   -27.81
 
Neptune       I 2031-10-17T06:58:43.317    13.45  -18.75   24758.26             -26.52    -27.31
Neptune       E 2031-10-17T07:20:09.755     8.56  -14.03   24738.90             -69.38    -70.02
 
LeVerrier     E 2031-10-17T07:00:30.653 b  13.04  -18.35   53200.01    27.87
Lassell       E 2031-10-17T07:01:40.485 b  12.78  -18.10   55200.00    29.38
Arago         E 2031-10-17T07:02:47.081 b  12.52  -17.86   57200.00    30.66
Galatea       E 2031-10-17T07:05:16.024 b  11.96  -17.31   61953.00    33.06
Adams         E 2031-10-17T07:05:45.488 b  11.85  -17.21   62933.00    33.46