Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 6 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/03/2023   21:06:01   (  -0.00,-104.71) (  -0.16,-105.36)   74.57                80
 06/04/2023   20:50:19   (  -0.01,-104.71) (   0.83,-100.91)  432.80                80
 06/06/2023   09:12:41   (   0.01,-104.72) (   0.37,-106.29)  179.52                80
 06/07/2023   08:51:39   (   0.01,-104.71) (  -0.62,-101.84)  327.34                80
 06/08/2023   21:14:09   (  -0.02,-104.69) (  -0.60,-107.26)  292.72                80
 06/09/2023   20:58:26   (  -0.02,-104.69) (   0.40,-102.80)  214.69                80
 06/11/2023   09:20:49   (   0.02,-104.71) (   0.80,-108.19)  396.60                80
 06/12/2023   08:59:46   (   0.02,-104.71) (  -0.19,-103.73)  110.72                80
 06/14/2023   21:03:54   (  -0.02,-104.68) (  -0.01,-104.70)    2.40                80