Saturn_2046-04-20T09_06_40.5100_IRTF.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:17:32 2023
 
target                  : Saturn
target radius (km)      :  60268.00
C/A epoch               : 2046-04-20T09:16:06.130
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          : 4120809400145112448
2Mass ID (if available) : 17264862-2139392
ICRS Star Coord at Epoch: 17h 26m 48.60253s -21:39:39.52600s
RUWE (>1.4 is poor)     :   1.06
K magnitude             :  8.993
G magnitude             : 14.355
RP magnitude            : 13.021
BP magnitude            : 16.470
DUPflag                 : 0
Distance (au)           :  9.387
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    :  -8.56
Sun-Target sep (deg)    :  127.52
Sun-Moon sep (deg)      :   57.78
B (ring opening deg)    :   26.49
PA of pole (deg)        :    4.77
Pole direction: RA (deg):  40.60000
               Dec (deg):  83.50000
C/A sky separation (")  :   7.948
C/A sky separation (km) :  54109.8
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 2046-04-20T06:54:18.116   -21.22x -30.33  140461.00    -4.25
A (OER)       I 2046-04-20T07:09:21.180   -17.82x -33.44  136774.40    -3.91
Encke (OEG)   I 2046-04-20T07:22:51.401   -14.78x -36.18  133744.89    -3.57
Encke (IEG)   I 2046-04-20T07:24:22.037   -14.44x -36.48  133423.31    -3.53
A (IER)       I 2046-04-20T08:47:23.687 b   3.81x -51.15  122050.38    -0.90
 
Saturn        I 2046-04-20T08:29:11.477    -0.12x -48.34   59335.35              54.38     59.42
Saturn        E 2046-04-20T10:02:26.766    19.36  -58.33   59320.02              55.06     60.04
 
A (IER)       E 2046-04-20T09:36:35.268 b  14.14  -56.83  122050.38     0.91
Encke (IEG)   E 2046-04-20T10:57:44.550    29.81  -57.34  133423.31     3.66
Encke (OEG)   E 2046-04-20T10:59:11.877    30.06  -57.23  133744.89     3.70
A (OER)       E 2046-04-20T11:12:10.644    32.32  -56.17  136774.40     4.07
F ring        E 2046-04-20T11:26:34.774    34.72  -54.68  140461.00     4.46