Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 11 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/27/2022   10:58:25   (   0.00,-137.34) (  -0.28,-135.96)  156.71                80
 11/28/2022   23:21:01   (  -0.01,-137.34) (  -0.91,-141.41)  463.67                80
 11/29/2022   23:05:21   (  -0.01,-137.34) (   0.05,-136.96)   42.37                80
 12/02/2022   11:09:29   (   0.01,-137.35) (   0.17,-137.93)   67.40                80
 12/03/2022   10:48:31   (   0.01,-137.35) (  -0.86,-133.50)  438.46                80
 12/04/2022   23:11:06   (  -0.02,-137.34) (  -0.39,-138.94)  182.53                80
 12/05/2022   22:55:28   (  -0.02,-137.34) (   0.63,-134.51)  322.98                80
 12/07/2022   11:17:54   (   0.03,-137.34) (   0.60,-139.91)  293.49                80
 12/08/2022   10:56:54   (   0.03,-137.33) (  -0.37,-135.47)  211.56                80
 12/09/2022   23:19:31   (  -0.04,-137.31) (  -0.82,-140.92)  410.75                80
 12/10/2022   23:01:11   (  -0.04,-137.30) (   0.15,-136.48)   93.89                80