Saturn_2026-11-13T13_30_06.9500_IRTF.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:17:13 2023
 
target                  : Saturn
target radius (km)      :  60268.00
C/A epoch               : 2026-11-13T13:21:26.440
Event type              : PgtRgt
                        : Saturn occs: geocentric, topocentric
                        : 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          : 2544086498687329408
2Mass ID (if available) : 00342081+0049089
ICRS Star Coord at Epoch: 00h 34m 20.90151s +00:49:07.78620s
RUWE (>1.4 is poor)     :   1.31
K magnitude             :  9.952
G magnitude             : 11.715
RP magnitude            : 11.110
BP magnitude            : 12.165
DUPflag                 : 0
Distance (au)           :  8.670
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -12.23
Sun-Target sep (deg)    :  137.33
Sun-Moon sep (deg)      :   90.00
B (ring opening deg)    :   -6.33
PA of pole (deg)        :    3.46
Pole direction: RA (deg):  40.60000
               Dec (deg):  83.50000
C/A sky separation (")  :   5.921
C/A sky separation (km) :  37229.9
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 2026-11-13T14:33:54.646   -15.45x -27.09  140461.00   -33.21
A (OER)       I 2026-11-13T14:35:46.853   -15.89x -26.66  136774.40   -32.49
Encke (OEG)   I 2026-11-13T14:37:21.006   -16.26x -26.29  133744.89   -31.85
Encke (IEG)   I 2026-11-13T14:37:31.113   -16.30x -26.25  133423.31   -31.78
A (IER)       I 2026-11-13T14:43:46.190   -17.76x -24.81  122050.38   -28.73
B (OER)       I 2026-11-13T14:46:26.394   -18.38x -24.20  117571.16   -27.16
 
Saturn        I 2026-11-13T12:17:16.489    16.74  -58.99   60216.45             -60.19    -64.67
Saturn        E 2026-11-13T14:26:23.050   -13.68x -28.83   60263.26             -15.27    -18.52
 
B (OER)       E 2026-11-13T15:41:09.680   -31.07x -11.67  117571.16    27.06
A (IER)       E 2026-11-13T15:43:50.515   -31.68x -11.06  122050.38    28.61
Encke (IEG)   E 2026-11-13T15:50:07.313   -33.12x  -9.64  133423.31    31.62
Encke (OEG)   E 2026-11-13T15:50:17.472   -33.16x  -9.60  133744.89    31.69
A (OER)       E 2026-11-13T15:51:52.113   -33.52x  -9.24  136774.40    32.32
F ring        E 2026-11-13T15:53:44.930   -33.95x  -8.82  140461.00    33.02