Saturn_2047-04-03T08_25_51.8500_IRTF.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:17:41 2023
 
target                  : Saturn
target radius (km)      :  60268.00
C/A epoch               : 2047-04-03T08:07:22.720
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          : 4090527406850443648
2Mass ID (if available) : 18164240-2217517
ICRS Star Coord at Epoch: 18h 16m 42.38996s -22:17:52.23095s
RUWE (>1.4 is poor)     :   1.16
K magnitude             :  8.076
G magnitude             : 14.391
RP magnitude            : 12.778
BP magnitude            : 17.689
DUPflag                 : 0
Distance (au)           :  9.841
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    :   4.91
Sun-Target sep (deg)    :   98.99
Sun-Moon sep (deg)      :  174.73
B (ring opening deg)    :   26.05
PA of pole (deg)        :    5.82
Pole direction: RA (deg):  40.60000
               Dec (deg):  83.50000
C/A sky separation (")  :   0.782
C/A sky separation (km) :   5583.7
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 2047-04-03T01:23:17.447   -54.34x  44.36x 140461.00    -5.76
A (OER)       I 2047-04-03T01:33:57.161   -56.81x  41.90x 136774.40    -5.76
Encke (OEG)   I 2047-04-03T01:42:42.661   -58.84x  39.87x 133744.89    -5.77
Encke (IEG)   I 2047-04-03T01:43:38.435   -59.06x  39.66x 133423.31    -5.77
A (IER)       I 2047-04-03T02:16:30.792   -66.68x  32.00x 122050.38    -5.76
B (OER)       I 2047-04-03T02:29:27.994   -69.69x  28.97x 117571.16    -5.76
B (IER)       I 2047-04-03T03:43:45.864   -86.21x  11.50x  91984.69    -5.71
C (IER)       I 2047-04-03T04:35:10.458   -80.40x  -0.57x  74490.58    -5.63
 
Saturn        I 2047-04-03T04:58:06.171   -75.17x  -5.93   60207.12              12.09     14.74
Saturn        E 2047-04-03T11:32:08.709    13.44  -59.98   60266.12              -2.11     -2.59
 
C (IER)       E 2047-04-03T12:21:39.850    23.24  -51.89   74490.58     4.67
B (IER)       E 2047-04-03T13:24:36.084    34.36  -39.22   91984.69     4.60
B (OER)       E 2047-04-03T14:58:06.036    45.86  -18.37  117571.16     4.53
A (IER)       E 2047-04-03T15:14:34.271    46.94  -14.58  122050.38     4.53
Encke (IEG)   E 2047-04-03T15:56:24.986    48.01   -4.86x 133423.31     4.53
Encke (OEG)   E 2047-04-03T15:57:35.952    48.01   -4.58x 133744.89     4.53
A (OER)       E 2047-04-03T16:08:44.299    47.86   -1.98x 136774.40     4.53
F ring        E 2047-04-03T16:22:16.927    47.44    1.20x 140461.00     4.54