Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 7 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)
 07/03/2023   09:16:30   (  -0.00,-104.74) (   0.46,-106.84)  239.78                80
 07/04/2023   08:55:27   (  -0.01,-104.73) (  -0.56,-102.39)  267.24                80
 07/05/2023   21:17:55   (   0.01,-104.70) (  -0.71,-107.79)  353.36                80
 07/06/2023   21:02:13   (   0.02,-104.70) (   0.31,-103.34)  154.26                80
 07/08/2023   09:24:34   (  -0.02,-104.73) (   0.91,-108.72)  455.82                80
 07/09/2023   09:03:32   (  -0.02,-104.73) (  -0.12,-104.27)   51.80                80
 07/11/2023   21:07:38   (   0.02,-104.70) (  -0.12,-105.22)   60.73                80
 07/12/2023   20:51:55   (   0.02,-104.70) (   0.90,-100.78)  447.23                80
 07/14/2023   09:14:16   (  -0.03,-104.73) (   0.31,-106.15)  162.47                80
 07/15/2023   08:53:14   (  -0.03,-104.73) (  -0.72,-101.71)  345.07                80
 07/16/2023   21:15:42   (   0.03,-104.69) (  -0.54,-107.11)  275.88                80