Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/12/2023   10:32:29   (   0.13,-127.71) (   0.22,-128.12)   46.55                80
 03/13/2023   10:16:47   (   0.13,-127.68) (  -0.79,-123.67)  457.02                80
 03/14/2023   22:36:38   (  -0.13,-127.65) (  -0.45,-129.09)  163.70                80
 03/15/2023   22:18:15   (  -0.14,-127.61) (   0.51,-124.63)  339.30                80
 03/17/2023   10:40:38   (   0.14,-127.52) (   0.68,-130.02)  284.96                80
 03/18/2023   10:24:56   (   0.14,-127.48) (  -0.29,-125.57)  217.99                80
 03/19/2023   22:44:46   (  -0.14,-127.45) (  -0.94,-130.98)  403.10                80
 03/20/2023   22:29:04   (  -0.14,-127.41) (   0.03,-126.53)   99.77                80
 03/23/2023   10:30:24   (   0.14,-127.27) (   0.21,-127.46)   22.09                80