Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2023   13:10:45   (  -0.16,-161.32) (   0.81,-165.61)  489.90                80
 06/16/2023   12:49:44   (  -0.14,-161.71) (  -0.25,-161.17)   61.02                80
 06/18/2023   01:12:16   (   0.18,-162.31) (  -0.82,-166.62)  491.87                80
 06/19/2023   00:56:36   (   0.16,-162.70) (   0.30,-162.19)   58.77                80
 06/20/2023   13:16:20   (  -0.20,-163.31) (   0.78,-167.61)  490.35                80
 06/21/2023   12:57:59   (  -0.18,-163.70) (  -0.28,-163.17)   59.94                80
 06/23/2023   01:20:31   (   0.21,-164.29) (  -0.77,-168.62)  493.84                80
 06/24/2023   01:04:49   (   0.19,-164.68) (   0.29,-164.18)   56.35                80
 06/25/2023   13:27:15   (  -0.23,-165.27) (   0.73,-169.60)  493.39                80
 06/26/2023   13:08:53   (  -0.21,-165.66) (  -0.34,-165.17)   56.39                80
 06/28/2023   01:28:45   (   0.24,-166.24) (  -0.76,-170.61)  498.55                80