Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/29/2023   09:11:35   (  -0.00,-104.74) (   0.43,-106.55)  207.14                80
 04/30/2023   08:50:33   (  -0.00,-104.74) (  -0.63,-102.11)  300.71                80
 05/01/2023   21:13:01   (  -0.00,-104.73) (  -0.65,-107.50)  317.05                80
 05/02/2023   20:57:17   (  -0.00,-104.73) (   0.35,-103.05)  191.20                80
 05/04/2023   09:19:38   (   0.00,-104.74) (   0.81,-108.43)  420.08                80
 05/05/2023   08:58:34   (  -0.00,-104.74) (  -0.20,-103.98)   87.75                80
 05/07/2023   21:02:39   (   0.01,-104.72) (  -0.05,-104.93)   23.28                80
 05/08/2023   20:46:56   (   0.02,-104.72) (   0.96,-100.47)  484.22                80
 05/10/2023   09:09:15   (  -0.02,-104.73) (   0.25,-105.84)  127.81                80
 05/11/2023   08:48:11   (  -0.01,-104.72) (  -0.77,-101.39)  379.69                80