Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 6 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 06/28/2023   09:08:24   (  -0.02,-104.74) (   0.02,-104.96)   24.59                80
 06/29/2023   08:47:22   (  -0.02,-104.74) (  -0.99,-100.51)  483.10                80
 06/30/2023   21:09:50   (   0.02,-104.72) (  -0.28,-105.91)  136.26                80
 07/01/2023   20:54:08   (   0.02,-104.72) (   0.74,-101.46)  371.44                80
 07/03/2023   09:16:30   (  -0.02,-104.74) (   0.43,-106.85)  239.67                80
 07/04/2023   08:55:27   (  -0.02,-104.74) (  -0.53,-102.39)  267.62                80
 07/05/2023   21:17:56   (   0.02,-104.71) (  -0.67,-107.80)  352.58                80
 07/06/2023   21:02:12   (   0.01,-104.71) (   0.30,-103.34)  155.30                80
 07/08/2023   09:24:34   (  -0.01,-104.74) (   0.92,-108.72)  454.72                80
 07/09/2023   09:03:31   (  -0.01,-104.74) (  -0.11,-104.27)   53.14                80