Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 5 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 05/17/2022   23:12:20   (   0.01,-137.20) (  -0.76,-140.55)  382.36                80
 05/18/2022   22:51:17   (   0.01,-137.19) (   0.28,-136.10)  125.08                80
 05/20/2022   11:16:15   (  -0.01,-137.19) (   0.99,-141.47)  488.33                80
 05/21/2022   10:55:11   (  -0.01,-137.18) (  -0.05,-137.02)   18.79                80
 05/23/2022   23:01:54   (   0.00,-137.16) (  -0.18,-137.98)   92.72                80
 05/24/2022   22:43:30   (   0.00,-137.16) (   0.80,-133.52)  414.43                80
 05/26/2022   11:05:49   (  -0.00,-137.15) (   0.41,-138.90)  199.44                80
 05/27/2022   10:44:46   (  -0.00,-137.14) (  -0.63,-134.45)  307.38                80
 05/28/2022   23:07:12   (   0.00,-137.12) (  -0.62,-139.85)  312.11                80
 05/29/2022   22:51:27   (   0.00,-137.11) (   0.36,-135.39)  194.37                80