Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 4 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)
 04/27/2023   20:49:16   (  -0.00,-104.73) (   0.79,-101.18)  405.04                80
 04/29/2023   09:11:36   (  -0.00,-104.74) (   0.38,-106.56)  206.99                80
 04/30/2023   08:50:32   (  -0.00,-104.74) (  -0.61,-102.10)  300.84                80
 05/01/2023   21:13:02   (   0.00,-104.73) (  -0.62,-107.51)  316.98                80
 05/02/2023   20:57:18   (  -0.00,-104.73) (   0.38,-103.05)  191.19                80
 05/04/2023   09:19:37   (   0.00,-104.74) (   0.85,-108.42)  420.09                80
 05/05/2023   08:58:35   (  -0.00,-104.74) (  -0.20,-103.98)   87.71                80
 05/07/2023   21:02:41   (   0.01,-104.72) (  -0.01,-104.94)   23.71                80
 05/08/2023   20:46:57   (   0.02,-104.72) (   0.99,-100.48)  483.86                80
 05/10/2023   09:09:17   (  -0.02,-104.73) (   0.24,-105.85)  128.33                80