Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 2 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/23/2022   10:58:14   (  -0.04,-137.18) (   0.13,-137.83)   75.00                80
 02/24/2022   10:37:11   (  -0.04,-137.16) (  -0.90,-133.39)  431.09                80
 02/25/2022   22:59:40   (   0.03,-137.15) (  -0.35,-138.80)  188.72                80
 02/26/2022   22:43:56   (   0.02,-137.13) (   0.62,-134.34)  317.07                80
 02/28/2022   11:06:18   (  -0.00,-137.11) (   0.58,-139.74)  299.68                80
 03/01/2022   10:45:14   (  -0.00,-137.09) (  -0.39,-135.28)  205.85                80
 03/02/2022   23:07:43   (  -0.00,-137.06) (  -0.80,-140.71)  414.75                80
 03/03/2022   22:52:00   (   0.00,-137.05) (   0.17,-136.25)   90.67                80
 03/06/2022   10:55:58   (  -0.00,-137.00) (   0.04,-137.19)   21.43                80