Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2019 11 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/26/2019   10:43:14   (   0.01,-137.24) (   0.37,-138.84)  182.37                80
 11/27/2019   10:26:59   (   0.01,-137.24) (  -0.65,-134.26)  339.07                80
 11/28/2019   22:48:38   (  -0.02,-137.23) (  -0.52,-139.50)  258.26                80
 11/29/2019   22:27:03   (  -0.02,-137.23) (   0.50,-134.92)  262.82                80
 12/01/2019   10:51:14   (   0.02,-137.22) (   0.69,-140.12)  330.50                80
 12/02/2019   10:29:38   (   0.02,-137.22) (  -0.33,-135.55)  190.30                80
 12/03/2019   22:53:58   (  -0.03,-137.20) (  -0.82,-140.78)  407.74                80
 12/04/2019   22:32:22   (  -0.03,-137.20) (   0.20,-136.21)  112.83                80
 12/06/2019   10:56:33   (   0.03,-137.19) (   0.99,-141.41)  481.17                80
 12/07/2019   10:34:58   (   0.03,-137.18) (  -0.03,-136.83)   39.14                80
 12/09/2019   22:40:22   (  -0.04,-137.14) (  -0.09,-137.49)   40.01                80