Neptune_2031-10-17T07_12_26.9500_MCD.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:13:07 2023
 
target                  : Neptune
target radius (km)      :  24764.00
C/A epoch               : 2031-10-17T07:10:40.130
Event type              : PgtRgt
                        : Neptune occs: geocentric, topocentric
                        : Ring occs: geocentric, topocentric
Observer code           : MCD
Location                : McDonald Obs. 2.7m
Latitude (deg)          :  30.67158
E. Longitude (deg)      : 255.97844
Altitude (km)           :   2.075
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)      :  158.09
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 (")  :   0.608
C/A sky separation (km) :  12726.8
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 2031-10-17T06:35:52.261    62.67  -68.66   62933.00   -40.76
Galatea       I 2031-10-17T06:36:16.349    62.65  -68.66   61953.00   -40.61
Arago         I 2031-10-17T06:38:14.563    62.53  -68.68   57200.00   -39.77
Lassell       I 2031-10-17T06:39:05.120    62.48  -68.69   55200.00   -39.34
LeVerrier     I 2031-10-17T06:39:56.263    62.42  -68.69   53200.00   -38.86
Galle         I 2031-10-17T06:44:59.485    62.07  -68.68   42000.00   -34.50
 
Neptune       I 2031-10-17T06:56:04.372    61.13  -68.43   24763.64              -6.50     -6.73
Neptune       E 2031-10-17T07:25:15.273    57.76  -66.39   24745.92             -52.55    -53.49
 
Galle         E 2031-10-17T07:08:32.770 b  59.84  -67.79   42000.00    34.84
LeVerrier     E 2031-10-17T07:13:35.568 b  59.25  -67.43   53200.00    38.58
Lassell       E 2031-10-17T07:14:27.134 b  59.15  -67.36   55200.00    38.99
Arago         E 2031-10-17T07:15:18.186 b  59.04  -67.29   57200.00    39.36
Galatea       E 2031-10-17T07:17:17.702 b  58.80  -67.13   61953.00    40.16
Adams         E 2031-10-17T07:17:42.059 b  58.74  -67.09   62933.00    40.31