Uranus_2030-12-28T11_57_58.8300_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               : 2030-12-28T11:55:09.090
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          : 3415551954503127808
2Mass ID (if available) : 05152526+2308116
ICRS Star Coord at Epoch: 05h 15m 25.28805s +23:08:11.48269s
RUWE (>1.4 is poor)     :   1.04
K magnitude             : 14.728
G magnitude             : 18.262
RP magnitude            : 17.230
BP magnitude            : 19.244
DUPflag                 : 0
Distance (au)           : 18.208
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -22.22
Sun-Target sep (deg)    :  163.41
Sun-Moon sep (deg)      :  111.76
B (ring opening deg)    :   81.91
PA of pole (deg)        :   10.65
Pole direction: RA (deg): 257.31100
               Dec (deg): -15.17500
C/A sky separation (")  :   3.288
C/A sky separation (km) :  43416.6
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 2030-12-28T11:36:03.532    56.20  -72.75   51010.72   -11.69
lambda        I 2030-12-28T11:37:31.263    55.87  -72.41   50026.71   -10.88
delta         I 2030-12-28T11:40:20.673    55.22  -71.77   48300.35    -9.48
gamma         I 2030-12-28T11:41:34.551    54.93  -71.49   47624.26    -8.82
eta           I 2030-12-28T11:42:26.774    54.73  -71.29   47176.12    -8.34
beta          I 2030-12-28T11:45:51.982    53.94  -70.51   45667.99    -6.31
alpha         I 2030-12-28T11:48:40.578    53.30  -69.87   44750.11    -4.54
 
No planet occultations
 
alpha         E 2030-12-28T12:01:57.710    50.24  -66.83   44752.41     4.54
beta          E 2030-12-28T12:04:44.251    49.60  -66.20   45656.76     6.31
eta           E 2030-12-28T12:08:11.551    48.80  -65.41   47176.12     8.33
gamma         E 2030-12-28T12:09:04.326    48.60  -65.20   47628.42     8.81
delta         E 2030-12-28T12:10:17.854    48.32  -64.92   48300.35     9.46
lambda        E 2030-12-28T12:13:07.583    47.67  -64.28   50026.71    10.86
epsilon       E 2030-12-28T12:15:10.925    47.20  -63.80   51423.43    11.67