Uranus_2031-01-17T10_02_59.5900_IRTF.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:28:34 2023
 
target                  : Uranus
target radius (km)      :  25559.00
C/A epoch               : 2031-01-17T09:59:42.800
Event type              : XRgt
                        : No Uranus occs
                        : 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          : 3415726162673168256
2Mass ID (if available) : 05121725+2305001
ICRS Star Coord at Epoch: 05h 12m 17.25496s +23:05:00.23234s
RUWE (>1.4 is poor)     :   0.93
K magnitude             : 13.591
G magnitude             : 16.078
RP magnitude            : 15.290
BP magnitude            : 16.732
DUPflag                 : 0
Distance (au)           : 18.360
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -17.28
Sun-Target sep (deg)    :  142.39
Sun-Moon sep (deg)      :  139.72
B (ring opening deg)    :   82.06
PA of pole (deg)        :    5.32
Pole direction: RA (deg): 257.31100
               Dec (deg): -15.17500
C/A sky separation (")  :   3.669
C/A sky separation (km) :  48857.3
NAIF SPICE kernels      : RAJobs_U111+rgf15.spk
                          URKALLv1.spk
                          ura111.bsp
                          IAU_URANUS_for_RINGFIT.tpc
                          vgr2.ura111.bsp
                          ura161.bsp
                          vgr2.ura161.bsp
                          peph.ura160.bsp
                          earthstns_itrf93_040916.bsp
                          earth_720101_070426.bpc
                          earth_200101_990628_predict.bpc
                          pg3f0000r.bsp
                          pg490000r.bsp
                          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
---------------------------------------------------------------------------------------------------
epsilon       I 2031-01-17T09:48:01.060    62.26  -79.67   50827.10    -4.34
lambda        I 2031-01-17T09:51:43.030    61.41  -80.53   50026.71    -2.94
 
No planet occultations
 
lambda        E 2031-01-17T10:07:24.319    57.79  -84.17   50026.71     2.94
epsilon       E 2031-01-17T10:11:42.399    56.80  -85.16   50983.12     4.34