Neptune_2025-10-07T16_53_36.6500_PMO.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:12:46 2023
 
target                  : Neptune
target radius (km)      :  24764.00
C/A epoch               : 2025-10-07T16:51:01.750
Event type              : PgtRgt
                        : Neptune occs: geocentric, topocentric
                        : Ring occs: geocentric, topocentric
Observer code           : PMO
Location                : Purple Mtn Obs. Nanking
Latitude (deg)          :  32.06667
E. Longitude (deg)      : 118.82089
Altitude (km)           :   0.364
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)      :   22.02
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 (")  :   0.319
C/A sky separation (km) :   6683.5
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 2025-10-07T16:25:48.540    51.48  -62.75   62933.00   -31.65
Galatea       I 2025-10-07T16:26:19.516    51.42  -62.71   61953.00   -31.62
Arago         I 2025-10-07T16:28:50.221    51.11  -62.54   57200.00   -31.45
Lassell       I 2025-10-07T16:29:53.903    50.97  -62.46   55200.00   -31.36
LeVerrier     I 2025-10-07T16:30:57.772    50.84  -62.38   53200.00   -31.26
Galle         I 2025-10-07T16:37:00.376 b  50.05  -61.89   42000.00   -30.40
 
Neptune       I 2025-10-07T16:34:12.028    50.42  -62.12   24747.55              33.27     34.17
Neptune       E 2025-10-07T17:07:52.777    45.51  -58.50   24763.73              -4.07     -4.22
 
Galle         E 2025-10-07T17:17:24.736    43.97  -57.21   42000.00    30.51
LeVerrier     E 2025-10-07T17:23:26.933    42.96  -56.34   53200.00    31.25
Lassell       E 2025-10-07T17:24:30.847    42.78  -56.18   55200.00    31.33
Arago         E 2025-10-07T17:25:34.597    42.60  -56.02   57200.00    31.41
Galatea       E 2025-10-07T17:28:05.541    42.17  -55.64   61953.00    31.56
Adams         E 2025-10-07T17:28:36.579    42.09  -55.56   62933.00    31.59