Neptune_2025-10-07T16_53_36.6500_SAAO.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:14:16 2023
 
target                  : Neptune
target radius (km)      :  24764.00
C/A epoch               : 2025-10-07T16:57:52.750
Event type              : PgtRgt
                        : Neptune occs: geocentric, topocentric
                        : Ring occs: geocentric, topocentric
Observer code           : SAAO
Location                : So. Afr. Astro. Obs. (Sutherland)
Latitude (deg)          : -32.37953
E. Longitude (deg)      :  20.81070
Altitude (km)           :   1.768
Gaia source ID          : 2449616081671057024
2Mass ID (if available) : 00021201-0115344
ICRS Star Coord at Epoch: 00h 02m 12.02238s -01:15:34.15602s
RUWE (>1.4 is poor)     :   2.97
K magnitude             : 12.624
G magnitude             : 14.794
RP magnitude            : 14.096
BP magnitude            : 15.318
DUPflag                 : 0
Distance (au)           : 28.918
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -23.27
Sun-Target sep (deg)    :  165.61
Sun-Moon sep (deg)      :   23.34
B (ring opening deg)    :  -19.82
PA of pole (deg)        :  -42.90
Pole direction: RA (deg): 299.33374
               Dec (deg):  42.95036
C/A sky separation (")  :   0.161
C/A sky separation (km) :   3385.6
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 2025-10-07T16:28:32.122    12.11    2.22x  62933.00   -31.75
Galatea       I 2025-10-07T16:29:02.991    12.22    2.11x  61953.00   -31.74
Arago         I 2025-10-07T16:31:32.805    12.75    1.59x  57200.00   -31.71
Lassell       I 2025-10-07T16:32:35.903    12.97    1.37x  55200.00   -31.69
LeVerrier     I 2025-10-07T16:33:39.043    13.19    1.14x  53200.00   -31.66
Galle         I 2025-10-07T16:39:33.752    14.43   -0.10x  42000.00   -31.46
 
Neptune       I 2025-10-07T16:40:24.339    14.61   -0.27x  24753.60              25.85     26.64
Neptune       E 2025-10-07T17:15:20.430    21.89   -7.56   24761.93             -11.21    -11.59
 
Galle         E 2025-10-07T17:22:27.159    23.36   -9.03   42000.00    31.65
LeVerrier     E 2025-10-07T17:28:19.773    24.56  -10.24   53200.00    31.86
Lassell       E 2025-10-07T17:29:22.529    24.78  -10.45   55200.00    31.88
Arago         E 2025-10-07T17:30:25.236    24.99  -10.67   57200.00    31.91
Galatea       E 2025-10-07T17:32:54.090    25.50  -11.18   61953.00    31.95
Adams         E 2025-10-07T17:33:24.755    25.60  -11.28   62933.00    31.96