Saturn_2048-08-11T13_45_16.8200_IRTF.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:17:58 2023
 
target                  : Saturn
target radius (km)      :  60268.00
C/A epoch               : 2048-08-11T13:37:09.710
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          : 4079185806956896640
2Mass ID (if available) : 18410670-2237006
ICRS Star Coord at Epoch: 18h 41m 06.69753s -22:37:00.96084s
RUWE (>1.4 is poor)     :   1.01
K magnitude             :  9.623
G magnitude             : 13.573
RP magnitude            : 12.467
BP magnitude            : 14.837
DUPflag                 : 0
Distance (au)           :  9.231
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -13.42
Sun-Target sep (deg)    :  140.58
Sun-Moon sep (deg)      :  118.42
B (ring opening deg)    :   25.78
PA of pole (deg)        :    6.23
Pole direction: RA (deg):  40.60000
               Dec (deg):  83.50000
C/A sky separation (")  :   4.024
C/A sky separation (km) :  26942.7
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 2048-08-11T11:36:08.612    19.20  -51.38  140461.00   -13.58
A (OER)       I 2048-08-11T11:40:40.888    18.30  -50.87  136774.40   -13.50
Encke (OEG)   I 2048-08-11T11:44:25.943    17.56  -50.44  133744.89   -13.42
Encke (IEG)   I 2048-08-11T11:44:49.906    17.48  -50.39  133423.31   -13.42
A (IER)       I 2048-08-11T11:59:07.694    14.62  -48.58  122050.38   -13.09
B (OER)       I 2048-08-11T12:04:51.949    13.45  -47.79  117571.16   -12.93
B (IER)       I 2048-08-11T12:39:30.890 b   6.26  -42.42   91984.69   -11.52
C (IER)       I 2048-08-11T13:07:08.815 b   0.37x -37.53   74490.58    -9.37
 
Saturn        I 2048-08-11T12:31:07.470     8.02  -43.81   59844.69             -34.19    -39.65
Saturn        E 2048-08-11T14:44:24.125   -21.11x -17.85   60197.49             -13.20    -16.06
 
C (IER)       E 2048-08-11T14:56:59.864   -23.95x -15.13   74490.58     9.26
B (IER)       E 2048-08-11T15:25:06.774   -30.33x  -8.95   91984.69    11.26
B (OER)       E 2048-08-11T16:00:46.426   -38.49x  -0.96x 117571.16    12.50
A (IER)       E 2048-08-11T16:06:42.941   -39.85x   0.39x 122050.38    12.63
Encke (IEG)   E 2048-08-11T16:21:33.789   -43.26x   3.76x 133423.31    12.89
Encke (OEG)   E 2048-08-11T16:21:58.726   -43.36x   3.85x 133744.89    12.90
A (OER)       E 2048-08-11T16:25:53.057   -44.26x   4.74x 136774.40    12.96
F ring        E 2048-08-11T16:30:36.867   -45.35x   5.82x 140461.00    13.02