Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 3 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)
 03/27/2023   09:18:15   (   0.00,-104.75) (   0.88,-108.59)  437.51                80
 03/28/2023   08:57:12   (   0.00,-104.75) (  -0.11,-104.14)   69.64                80
 03/30/2023   21:01:21   (  -0.01,-104.75) (  -0.06,-105.11)   41.09                80
 03/31/2023   20:45:38   (  -0.01,-104.75) (   0.93,-100.66)  466.62                80
 04/02/2023   09:08:00   (   0.01,-104.75) (   0.29,-106.04)  146.61                80
 04/03/2023   08:46:57   (   0.02,-104.75) (  -0.71,-101.59)  360.99                80
 04/04/2023   21:09:28   (  -0.02,-104.75) (  -0.51,-107.01)  256.67                80
 04/05/2023   20:53:45   (  -0.00,-104.75) (   0.49,-102.55)  250.62                80
 04/07/2023   09:16:06   (  -0.03,-104.76) (   0.72,-107.94)  362.73                80
 04/08/2023   08:55:04   (  -0.03,-104.76) (  -0.29,-103.48)  144.69                80
 04/09/2023   21:17:34   (   0.03,-104.75) (  -0.92,-108.90)  474.07                80