Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2022 1 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/16/2022   10:56:48   (  -0.03,-137.24) (   0.08,-137.77)   59.79                80
 01/17/2022   10:35:45   (  -0.03,-137.26) (  -0.93,-133.32)  450.00                80
 01/18/2022   22:58:14   (   0.03,-137.29) (  -0.30,-138.74)  165.28                80
 01/19/2022   22:42:32   (   0.03,-137.32) (   0.71,-134.30)  344.23                80
 01/21/2022   11:04:53   (  -0.03,-137.36) (   0.52,-139.69)  266.15                80
 01/22/2022   10:43:51   (  -0.03,-137.38) (  -0.49,-135.24)  242.99                80
 01/23/2022   23:06:20   (   0.03,-137.39) (  -0.72,-140.66)  373.29                80
 01/24/2022   22:50:38   (   0.03,-137.41) (   0.29,-136.22)  135.59                80
 01/26/2022   11:13:00   (  -0.03,-137.44) (   0.89,-141.62)  475.76                80
 01/27/2022   10:51:57   (  -0.02,-137.45) (  -0.07,-137.16)   32.52                80