Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 3 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)
 03/22/2022   11:01:45   (  -0.04,-137.20) (   0.26,-138.47)  145.00                80
 03/23/2022   10:40:41   (  -0.04,-137.20) (  -0.73,-134.02)  361.80                80
 03/24/2022   23:03:11   (   0.04,-137.18) (  -0.49,-139.44)  257.53                80
 03/25/2022   22:47:27   (   0.04,-137.17) (   0.50,-134.99)  248.91                80
 03/27/2022   11:09:47   (  -0.03,-137.16) (   0.68,-140.38)  366.34                80
 03/28/2022   10:48:44   (  -0.02,-137.15) (  -0.32,-135.92)  139.87                80
 03/29/2022   23:11:13   (   0.02,-137.13) (  -0.91,-141.35)  480.14                80
 03/30/2022   22:52:50   (   0.02,-137.12) (   0.09,-136.89)   26.12                80
 04/02/2022   10:59:26   (  -0.02,-137.09) (   0.15,-137.82)   83.62                80
 04/03/2022   10:38:22   (  -0.02,-137.07) (  -0.85,-133.37)  422.04                80