Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 11 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/23/2022   23:12:36   (   0.00,-137.34) (  -0.45,-139.43)  238.04                80
 11/24/2022   22:56:57   (  -0.00,-137.34) (   0.51,-134.99)  267.33                80
 11/26/2022   11:16:44   (   0.01,-137.33) (   0.68,-140.40)  349.42                80
 11/27/2022   11:01:05   (   0.01,-137.32) (  -0.28,-135.96)  155.43                80
 11/28/2022   23:21:00   (  -0.01,-137.30) (  -0.96,-141.40)  467.17                80
 11/29/2022   23:05:21   (  -0.01,-137.29) (   0.06,-136.97)   37.46                80
 12/02/2022   11:06:49   (   0.01,-137.28) (   0.16,-137.94)   75.37                80
 12/03/2022   10:51:10   (   0.02,-137.26) (  -0.81,-133.50)  429.16                80
 12/04/2022   23:11:05   (  -0.02,-137.24) (  -0.43,-138.93)  193.97                80
 12/05/2022   22:55:27   (  -0.02,-137.22) (   0.60,-134.51)  310.27                80