Uranus_2030-09-06T17_40_42.5900_PMO.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:19:50 2023
 
target                  : Uranus
target radius (km)      :  25559.00
C/A epoch               : 2030-09-06T17:31:47.860
Event type              : XRt
                        : No Uranus occs
                        : Ring occs: topocentric, not geoecetric
Observer code           : PMO
Location                : Purple Mtn Obs. Nanking
Latitude (deg)          :  32.06667
E. Longitude (deg)      : 118.82089
Altitude (km)           :   0.364
Gaia source ID          : 3416120715548516096
2Mass ID (if available) : 05261631+2316564
ICRS Star Coord at Epoch: 05h 26m 16.32980s +23:16:56.35569s
RUWE (>1.4 is poor)     :   0.96
K magnitude             : 14.569
G magnitude             : 18.113
RP magnitude            : 17.114
BP magnitude            : 19.151
DUPflag                 : 0
Distance (au)           : 19.297
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    :  10.73
Sun-Target sep (deg)    :   81.50
Sun-Moon sep (deg)      :  165.32
B (ring opening deg)    :   80.95
PA of pole (deg)        :   27.10
Pole direction: RA (deg): 257.31100
               Dec (deg): -15.17500
C/A sky separation (")  :   3.420
C/A sky separation (km) :  47870.1
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 2030-09-06T17:06:28.555    19.53  -48.98   50808.06    -3.36
lambda        I 2030-09-06T17:10:44.769    20.41  -48.60   50026.71    -2.78
 
No planet occultations
 
lambda        E 2030-09-06T17:51:13.895    28.79  -43.98   50026.71     2.76
epsilon       E 2030-09-06T17:56:31.437    29.90  -43.26   51005.57     3.33