Saturn_2047-03-18T15_32_10.9200_IRTF.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:17:39 2023
 
target                  : Saturn
target radius (km)      :  60268.00
C/A epoch               : 2047-03-18T15:29:50.320
Event type              : PtRgt
                        : Saturn occs: topocentric, not geoecetric
                        : Ring occs: geocentric, topocentric
Observer code           : IRTF
Location                : Mauna Kea/IRTF
Latitude (deg)          :  19.82622
E. Longitude (deg)      : 204.52800
Altitude (km)           :   4.168
Gaia source ID          : 4090691298420625792
2Mass ID (if available) : 18144322-2219206
ICRS Star Coord at Epoch: 18h 14m 43.22703s -22:19:20.87218s
RUWE (>1.4 is poor)     :   0.94
K magnitude             :  9.874
G magnitude             : 12.974
RP magnitude            : 12.069
BP magnitude            : 13.823
DUPflag                 : 0
Distance (au)           : 10.102
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    :  12.76
Sun-Target sep (deg)    :   83.89
Sun-Moon sep (deg)      :    7.35
B (ring opening deg)    :   26.12
PA of pole (deg)        :    5.79
Pole direction: RA (deg):  40.60000
               Dec (deg):  83.50000
C/A sky separation (")  :   7.936
C/A sky separation (km) :  58148.1
NAIF SPICE kernels      : RAJobs_U111+rgf15.spk
                          URKALLv1.spk
                          Saturn_ring_plane.tf
                          sat378.bsp
                          sat286.bsp
                          vgr1.sat286.bsp
                          vgr2.sat286.bsp
                          HST1081HSPephemUTC.bsp
                          pfbl0000r.bsp
                          cassini.bsp
                          earthstns_itrf93_040916.bsp
                          earth_200101_990628_predict.bpc
                          earth_720101_070426.bpc
                          cpck28Mar2008.tpc
                          pck.sat440.tpc
                          IAU_SATURN_for_RINGFIT.tpc
                          naif0012.tls
                          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
---------------------------------------------------------------------------------------------------
F ring        I 2047-03-18T13:33:41.383    25.32  -41.24  140461.00    -5.51
A (OER)       I 2047-03-18T13:45:39.376    27.52  -38.53  136774.40    -4.75
Encke (OEG)   I 2047-03-18T13:57:12.996    29.58  -35.90  133744.89    -3.97
Encke (IEG)   I 2047-03-18T13:58:34.902    29.82  -35.59  133423.31    -3.88
 
Saturn        I 2047-03-18T15:14:17.147    41.34  -18.02   59285.49             -58.09    -62.79
Saturn        E 2047-03-18T15:44:37.311    44.63  -10.90   59174.15             -63.76    -67.83
 
Encke (IEG)   E 2047-03-18T15:40:33.178 b  44.25  -11.85  133423.31     3.84
Encke (OEG)   E 2047-03-18T15:41:55.875 b  44.38  -11.53  133744.89     3.94
A (OER)       E 2047-03-18T15:53:36.798    45.42   -8.78  136774.40     4.70
F ring        E 2047-03-18T16:05:43.345    46.32   -5.93  140461.00     5.44