Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/13/2023   10:16:47   (   0.13,-127.68) (  -0.80,-123.67)  457.26                80
 03/14/2023   22:36:37   (  -0.13,-127.66) (  -0.45,-129.09)  162.01                80
 03/15/2023   22:20:55   (  -0.14,-127.63) (   0.52,-124.63)  341.27                80
 03/17/2023   10:40:37   (   0.14,-127.53) (   0.72,-130.01)  283.53                80
 03/18/2023   10:24:56   (   0.14,-127.49) (  -0.32,-125.57)  219.72                80
 03/19/2023   22:44:45   (  -0.14,-127.47) (  -0.96,-130.97)  399.96                80
 03/20/2023   22:29:04   (  -0.14,-127.43) (   0.08,-126.53)  103.22                80
 03/23/2023   10:30:22   (   0.14,-127.29) (   0.20,-127.45)   18.75                80
 03/24/2023   10:14:40   (   0.14,-127.25) (  -0.79,-123.00)  484.49                80
 03/25/2023   22:34:30   (  -0.14,-127.23) (  -0.41,-128.42)  135.61                80
 03/26/2023   22:18:48   (  -0.14,-127.19) (   0.59,-123.97)  367.15                80