Neptune_2026-10-18T15_17_20.9500_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               : 2026-10-18T15:15:30.420
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          : 2545054343796547840
2Mass ID (if available) : 00093823-0030078
ICRS Star Coord at Epoch: 00h 09m 38.23138s -00:30:08.38263s
RUWE (>1.4 is poor)     :   0.96
K magnitude             : 14.183
G magnitude             : 15.949
RP magnitude            : 15.372
BP magnitude            : 16.351
DUPflag                 : 0
Distance (au)           : 28.957
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -21.88
Sun-Target sep (deg)    :  157.08
Sun-Moon sep (deg)      :   68.33
B (ring opening deg)    :  -19.11
PA of pole (deg)        :  -43.59
Pole direction: RA (deg): 299.33374
               Dec (deg):  42.95036
C/A sky separation (")  :   0.374
C/A sky separation (km) :   7844.4
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 2026-10-18T14:36:03.274    57.69  -62.05   62933.00   -30.92
Galatea       I 2026-10-18T14:36:34.993    57.68  -62.12   61953.00   -30.88
Arago         I 2026-10-18T14:39:09.429    57.63  -62.48   57200.00   -30.67
Lassell       I 2026-10-18T14:40:14.756    57.61  -62.63   55200.00   -30.56
LeVerrier     I 2026-10-18T14:41:20.323    57.58  -62.78   53200.00   -30.44
Galle         I 2026-10-18T14:47:33.770    57.40  -63.59   42000.00   -29.42
 
Neptune       I 2026-10-18T14:57:54.314    56.95  -64.82   24763.91               2.45      2.54
Neptune       E 2026-10-18T15:33:06.060    54.18  -67.55   24745.74             -36.98    -37.93
 
Galle         E 2026-10-18T15:27:33.468 b  54.73  -67.29   42000.00    29.12
LeVerrier     E 2026-10-18T15:33:49.514    54.11  -67.58   53200.00    30.29
Lassell       E 2026-10-18T15:34:55.388    53.99  -67.62   55200.00    30.43
Arago         E 2026-10-18T15:36:00.996    53.88  -67.66   57200.00    30.54
Galatea       E 2026-10-18T15:38:36.023    53.60  -67.74   61953.00    30.77
Adams         E 2026-10-18T15:39:07.854    53.54  -67.75   62933.00    30.81