Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 7 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/31/2023   08:59:01   (  -0.03,-104.73) (  -0.47,-102.88)  211.88                80
 08/01/2023   21:21:29   (   0.03,-104.69) (  -0.79,-108.28)  409.20                80
 08/02/2023   21:05:46   (   0.03,-104.69) (   0.20,-103.82)   98.80                80
 08/05/2023   09:09:44   (  -0.04,-104.73) (  -0.06,-104.75)    3.59                80
 08/07/2023   21:11:08   (   0.04,-104.70) (  -0.20,-105.70)  114.29                80
 08/08/2023   20:55:25   (   0.04,-104.70) (   0.80,-101.24)  394.00                80
 08/10/2023   09:17:45   (  -0.05,-104.74) (   0.38,-106.62)  214.13                80
 08/11/2023   08:56:42   (  -0.05,-104.74) (  -0.62,-102.16)  293.79                80
 08/12/2023   21:19:11   (   0.06,-104.70) (  -0.57,-107.58)  327.57                80
 08/13/2023   21:03:28   (   0.06,-104.70) (   0.44,-103.12)  180.69                80