Neptune_2031-10-17T07_12_26.9500_KPNO.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:12:57 2023
 
target                  : Neptune
target radius (km)      :  24764.00
C/A epoch               : 2031-10-17T07:11:05.690
Event type              : PgtRgt
                        : Neptune occs: geocentric, topocentric
                        : Ring occs: geocentric, topocentric
Observer code           : KPNO
Location                : Kitt Peak Natl Obs
Latitude (deg)          :  31.96333
E. Longitude (deg)      : 248.40000
Altitude (km)           :   2.120
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)      :  158.17
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 (")  :   0.590
C/A sky separation (km) :  12346.1
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 2031-10-17T06:36:34.750    62.21  -65.98   62933.00   -41.03
Galatea       I 2031-10-17T06:36:58.672    62.21  -66.01   61953.00   -40.90
Arago         I 2031-10-17T06:38:55.974    62.21  -66.16   57200.00   -40.11
Lassell       I 2031-10-17T06:39:46.079    62.21  -66.22   55200.00   -39.71
LeVerrier     I 2031-10-17T06:40:36.720    62.21  -66.28   53200.00   -39.27
Galle         I 2031-10-17T06:45:35.509    62.15  -66.61   42000.00   -35.23
 
Neptune       I 2031-10-17T06:56:20.810    61.88  -67.13   24763.73              -5.50     -5.70
Neptune       E 2031-10-17T07:25:49.876    60.01  -67.19   24746.37             -51.63    -52.58
 
Galle         E 2031-10-17T07:09:37.449 b  61.23  -67.41   42000.00    35.55
LeVerrier     E 2031-10-17T07:14:36.345 b  60.90  -67.41   53200.00    38.92
Lassell       E 2031-10-17T07:15:27.470 b  60.84  -67.40   55200.00    39.31
Arago         E 2031-10-17T07:16:18.109 b  60.78  -67.40   57200.00    39.68
Galatea       E 2031-10-17T07:18:16.720 b  60.63  -67.37   61953.00    40.45
Adams         E 2031-10-17T07:18:40.903 b  60.60  -67.36   62933.00    40.60