Uranus_2039-02-13T19_05_10.1900_PMO.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:21:14 2023
 
target                  : Uranus
target radius (km)      :  25559.00
C/A epoch               : 2039-02-13T19:01:36.080
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          : 674483283367786496
2Mass ID (if available) : 07482664+2139293
ICRS Star Coord at Epoch: 07h 48m 26.64111s +21:39:29.03011s
RUWE (>1.4 is poor)     :   0.99
K magnitude             : 12.892
G magnitude             : 14.181
RP magnitude            : 13.737
BP magnitude            : 14.466
DUPflag                 : 0
Distance (au)           : 17.773
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -19.46
Sun-Target sep (deg)    :  150.67
Sun-Moon sep (deg)      :   89.34
B (ring opening deg)    :   51.79
PA of pole (deg)        :   87.19
Pole direction: RA (deg): 257.31100
               Dec (deg): -15.17500
C/A sky separation (")  :   3.789
C/A sky separation (km) :  48842.0
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 2039-02-13T18:54:53.213    28.88  -49.72   51552.69    -7.23
lambda        I 2039-02-13T18:59:20.289    27.94  -48.82   50026.71    -4.17
 
No planet occultations
 
lambda        E 2039-02-13T19:10:46.195    25.55  -46.49   50026.71     4.17
epsilon       E 2039-02-13T19:15:07.606    24.64  -45.60   51509.33     7.22