Uranus_2027-01-02T18_32_56.6700_SAAO.txt
 
Occultation predictions computed by rfrench@wellesley.edu Sun Jun 11 11:38:56 2023
 
target                  : Uranus
target radius (km)      :  25559.00
C/A epoch               : 2027-01-02T18:35:52.760
Event type              : XRt
                        : No Uranus occs
                        : Ring occs: topocentric, not geoecetric
Observer code           : SAAO
Location                : So. Afr. Astro. Obs. (Sutherland)
Latitude (deg)          : -32.37953
E. Longitude (deg)      :  20.81070
Altitude (km)           :   1.768
Gaia source ID          : 51377674402813568
2Mass ID (if available) : 03591083+2023422
ICRS Star Coord at Epoch: 03h 59m 10.83550s +20:23:42.22232s
RUWE (>1.4 is poor)     :   0.99
K magnitude             : 14.146
G magnitude             : 15.954
RP magnitude            : 15.351
BP magnitude            : 16.385
DUPflag                 : 0
Distance (au)           : 18.660
f0 (km)                 :       0.000
g0 (km)                 :       0.000
skyplane vel. (km/s)    : -16.54
Sun-Target sep (deg)    :  140.11
Sun-Moon sep (deg)      :  163.53
B (ring opening deg)    :   72.54
PA of pole (deg)        :  -75.45
Pole direction: RA (deg): 257.31100
               Dec (deg): -15.17500
C/A sky separation (")  :   3.436
C/A sky separation (km) :  46502.9
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 2027-01-02T18:17:40.751    32.98   -6.46   51347.64    -7.04
lambda        I 2027-01-02T18:20:59.811    33.28   -7.05   50026.71    -6.11
delta         I 2027-01-02T18:26:33.789    33.76   -8.04   48300.35    -4.19
gamma         I 2027-01-02T18:29:39.119    34.02   -8.58   47628.04    -3.05
eta           I 2027-01-02T18:32:41.956    34.26   -9.12   47176.12    -1.88
 
No planet occultations
 
eta           E 2027-01-02T18:42:17.795    34.97  -10.77   47176.12     1.89
gamma         E 2027-01-02T18:45:21.101    35.18  -11.29   47629.64     3.06
delta         E 2027-01-02T18:48:25.821    35.38  -11.82   48300.35     4.20
lambda        E 2027-01-02T18:53:59.574    35.72  -12.75   50026.71     6.11
epsilon       E 2027-01-02T18:56:32.529    35.86  -13.18   51024.35     7.04