Saturn_2025-09-26T07_27_05.9200_MCD.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:15:28 2023
 
target                  : Saturn
target radius (km)      :  60268.00
C/A epoch               : 2025-09-26T07:24:33.720
Event type              : PtRgt
                        : Saturn occs: topocentric, not geoecetric
                        : Ring occs: geocentric, topocentric
Observer code           : MCD
Location                : McDonald Obs. 2.7m
Latitude (deg)          :  30.67158
E. Longitude (deg)      : 255.97844
Altitude (km)           :   2.075
Gaia source ID          : 2448869131022660480
2Mass ID (if available) : 23554479-0312062
ICRS Star Coord at Epoch: 23h 55m 44.80882s -03:12:06.45935s
RUWE (>1.4 is poor)     :   1.37
K magnitude             :  9.739
G magnitude             : 11.904
RP magnitude            : 11.223
BP magnitude            : 12.432
DUPflag                 : 0
Distance (au)           :  8.551
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -19.92
Sun-Target sep (deg)    :  174.07
Sun-Moon sep (deg)      :  125.02
B (ring opening deg)    :   -1.66
PA of pole (deg)        :    4.32
Pole direction: RA (deg):  40.60000
               Dec (deg):  83.50000
C/A sky separation (")  :   9.670
C/A sky separation (km) :  59965.3
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 2025-09-26T08:56:27.583    41.82  -47.80  140461.01  -122.74
A (OER)       I 2025-09-26T08:57:00.475    41.72  -47.71  136774.43  -101.07
Encke (OEG)   I 2025-09-26T08:57:34.438    41.62  -47.61  133744.95   -76.99
Encke (IEG)   I 2025-09-26T08:57:38.699    41.61  -47.60  133423.38   -73.86
 
Saturn        I 2025-09-26T07:19:38.071    54.55  -59.90   60264.07             -68.24    -71.72
Saturn        E 2025-09-26T07:29:29.781    53.72  -59.22   60264.81             -56.84    -61.66
 
Encke (IEG)   E 2025-09-26T09:00:48.595    41.07  -47.05  133423.31    73.93
Encke (OEG)   E 2025-09-26T09:00:52.856    41.05  -47.04  133744.90    77.06
A (OER)       E 2025-09-26T09:01:26.823    40.96  -46.94  136774.40   101.13
F ring        E 2025-09-26T09:01:59.718    40.86  -46.85  140461.01   122.79