Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 6 14.  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   13:10:46   (  -0.16,-161.32) (   0.78,-165.62)  489.75                80
 06/16/2023   12:52:24   (  -0.14,-161.71) (  -0.27,-161.18)   61.23                80
 06/18/2023   01:12:17   (   0.18,-162.31) (  -0.79,-166.63)  491.65                80
 06/19/2023   00:56:35   (   0.16,-162.71) (   0.27,-162.19)   59.05                80
 06/20/2023   13:19:01   (  -0.20,-163.31) (   0.75,-167.61)  489.86                80
 06/21/2023   13:00:39   (  -0.18,-163.70) (  -0.31,-163.17)   60.49                80
 06/23/2023   01:20:31   (   0.21,-164.29) (  -0.74,-168.62)  493.29                80
 06/24/2023   01:04:50   (   0.19,-164.68) (   0.32,-164.19)   56.98                80
 06/25/2023   13:24:34   (  -0.23,-165.28) (   0.75,-169.60)  492.53                80
 06/26/2023   13:06:13   (  -0.21,-165.66) (  -0.31,-165.16)   57.27                80
 06/28/2023   01:28:45   (   0.24,-166.24) (  -0.73,-170.61)  497.64                80