Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 6 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/06/2023   09:12:41   (  -0.00,-104.72) (   0.37,-106.29)  179.82                80
 06/07/2023   08:51:40   (  -0.01,-104.72) (  -0.67,-101.85)  326.93                80
 06/08/2023   21:14:10   (   0.02,-104.69) (  -0.54,-107.27)  293.03                80
 06/09/2023   20:58:27   (   0.02,-104.69) (   0.45,-102.81)  214.42                80
 06/11/2023   09:20:50   (  -0.02,-104.71) (   0.75,-108.20)  396.98                80
 06/12/2023   08:59:47   (  -0.02,-104.71) (  -0.24,-103.75)  110.36                80
 06/14/2023   21:03:55   (   0.03,-104.69) (   0.04,-104.71)    2.80                80
 06/17/2023   09:10:35   (  -0.03,-104.72) (   0.16,-105.64)  105.32                80
 06/18/2023   08:49:32   (  -0.04,-104.72) (  -0.83,-101.19)  401.92                80