Saturn_2030-12-29T10_13_43.1900_IRTF.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:17:15 2023
 
target                  : Saturn
target radius (km)      :  60268.00
C/A epoch               : 2030-12-29T10:09:57.380
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          : 50146633696229760
2Mass ID (if available) : 04035781+1842376
ICRS Star Coord at Epoch: 04h 03m 57.82183s +18:42:37.50214s
RUWE (>1.4 is poor)     :   1.18
K magnitude             :  9.274
G magnitude             : 12.382
RP magnitude            : 11.478
BP magnitude            : 13.228
DUPflag                 : 0
Distance (au)           :  8.238
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -14.82
Sun-Target sep (deg)    :  145.29
Sun-Moon sep (deg)      :   82.47
B (ring opening deg)    :  -24.79
PA of pole (deg)        :   -2.49
Pole direction: RA (deg):  40.60000
               Dec (deg):  83.50000
C/A sky separation (")  :   0.485
C/A sky separation (km) :   2899.5
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 2030-12-29T07:38:15.413    85.62  -51.44  140461.00   -15.54
A (OER)       I 2030-12-29T07:42:12.663    86.53  -52.35  136774.40   -15.54
Encke (OEG)   I 2030-12-29T07:45:27.630    87.26  -53.10  133744.89   -15.54
Encke (IEG)   I 2030-12-29T07:45:48.325    87.34  -53.18  133423.31   -15.54
A (IER)       I 2030-12-29T07:58:00.297    89.01  -55.98  122050.38   -15.54
B (OER)       I 2030-12-29T08:02:48.624    88.22  -57.08  117571.16   -15.53
B (IER)       I 2030-12-29T08:30:16.577    81.92  -63.39   91984.69   -15.51
C (IER)       I 2030-12-29T08:49:05.080    77.49  -67.70   74490.58   -15.49
 
Saturn        I 2030-12-29T09:04:04.839    73.95  -71.13   60266.04              -2.28     -2.80
Saturn        E 2030-12-29T11:16:09.085    42.87  -77.35   60247.38               7.43      9.10
 
C (IER)       E 2030-12-29T11:28:33.913    39.97  -74.56   74490.58    15.34
B (IER)       E 2030-12-29T11:47:34.529    35.54  -70.24   91984.69    15.33
B (OER)       E 2030-12-29T12:15:24.558    29.08  -63.87  117571.16    15.31
A (IER)       E 2030-12-29T12:20:17.275    27.95  -62.75  122050.38    15.30
Encke (IEG)   E 2030-12-29T12:32:41.082    25.08  -59.90  133423.31    15.28
Encke (OEG)   E 2030-12-29T12:33:02.126    25.00  -59.82  133744.89    15.28
A (OER)       E 2030-12-29T12:36:20.418    24.24  -59.06  136774.40    15.28
F ring        E 2030-12-29T12:40:21.809    23.31  -58.14  140461.00    15.27