Saturn_2031-02-26T09_14_58.5700_IRTF.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:17:16 2023
 
target                  : Saturn
target radius (km)      :  60268.00
C/A epoch               : 2031-02-26T09:23:35.930
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          : 50185593342556032
2Mass ID (if available) : 04013248+1851204
ICRS Star Coord at Epoch: 04h 01m 32.49801s +18:51:20.21562s
RUWE (>1.4 is poor)     :   1.85
K magnitude             :  9.755
G magnitude             : 12.339
RP magnitude            : 11.554
BP magnitude            : 13.000
DUPflag                 : 0
Distance (au)           :  9.089
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    :  12.35
Sun-Target sep (deg)    :   84.97
Sun-Moon sep (deg)      :   27.17
B (ring opening deg)    :  -24.96
PA of pole (deg)        :   -2.42
Pole direction: RA (deg):  40.60000
               Dec (deg):  83.50000
C/A sky separation (")  :   3.593
C/A sky separation (km) :  23682.4
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 2031-02-26T06:14:48.780    58.61  -26.40  140461.00   -12.63
A (OER)       I 2031-02-26T06:19:41.317    57.46  -27.55  136774.40   -12.58
Encke (OEG)   I 2031-02-26T06:23:42.568    56.51  -28.50  133744.89   -12.54
Encke (IEG)   I 2031-02-26T06:24:08.224    56.41  -28.60  133423.31   -12.53
A (IER)       I 2031-02-26T06:39:22.374    52.83  -32.18  122050.38   -12.34
B (OER)       I 2031-02-26T06:45:26.643    51.41  -33.61  117571.16   -12.25
B (IER)       I 2031-02-26T07:21:21.056    43.00  -42.03   91984.69   -11.40
C (IER)       I 2031-02-26T07:48:18.414    36.71  -48.32   74490.58   -10.10
 
Saturn        I 2031-02-26T08:07:38.658    32.21  -52.79   60242.41              -8.22    -10.06
Saturn        E 2031-02-26T10:38:02.606    -1.97x -78.97   59895.59             -33.20    -38.61
 
C (IER)       E 2031-02-26T10:02:49.687 b   5.87  -76.56   74490.58    10.22
B (IER)       E 2031-02-26T10:29:19.695 b  -0.04x -78.92   91984.69    11.64
B (OER)       E 2031-02-26T11:04:18.363    -7.71x -76.88  117571.16    12.63
A (IER)       E 2031-02-26T11:10:11.403    -8.98x -76.05  122050.38    12.74
Encke (IEG)   E 2031-02-26T11:24:55.294   -12.14x -73.62  133423.31    12.98
Encke (OEG)   E 2031-02-26T11:25:20.060   -12.23x -73.54  133744.89    12.99
A (OER)       E 2031-02-26T11:29:12.826   -13.05x -72.83  136774.40    13.04
F ring        E 2031-02-26T11:33:54.818   -14.05x -71.95  140461.00    13.10