Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 7 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/04/2023   08:55:27   (  -0.02,-104.73) (  -0.57,-102.39)  266.95                80
 07/05/2023   21:17:56   (   0.01,-104.70) (  -0.70,-107.79)  353.20                80
 07/06/2023   21:02:13   (   0.00,-104.70) (   0.32,-103.34)  154.75                80
 07/08/2023   09:24:34   (   0.00,-104.73) (   0.90,-108.72)  455.11                80
 07/09/2023   09:03:32   (   0.01,-104.73) (  -0.12,-104.27)   52.76                80
 07/11/2023   21:07:38   (  -0.01,-104.70) (  -0.11,-105.23)   59.68                80
 07/12/2023   20:51:55   (  -0.00,-104.70) (   0.91,-100.78)  448.18                80
 07/14/2023   09:14:17   (  -0.01,-104.74) (   0.30,-106.16)  161.74                80
 07/15/2023   08:53:14   (  -0.01,-104.73) (  -0.73,-101.71)  345.83                80
 07/16/2023   21:15:42   (   0.02,-104.70) (  -0.53,-107.11)  274.93                80
 07/17/2023   21:00:00   (   0.01,-104.70) (   0.50,-102.66)  233.15                80