Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 3 12.  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) (   0.20,-128.12)   46.64                80
 03/13/2023   10:16:47   (   0.13,-127.68) (  -0.76,-123.66)  457.12                80
 03/14/2023   22:36:38   (  -0.13,-127.66) (  -0.42,-129.09)  162.54                80
 03/15/2023   22:20:55   (  -0.14,-127.62) (   0.54,-124.63)  340.63                80
 03/17/2023   10:40:38   (   0.14,-127.52) (   0.70,-130.02)  284.19                80
 03/18/2023   10:24:55   (   0.14,-127.48) (  -0.28,-125.56)  218.91                80
 03/19/2023   22:44:46   (  -0.14,-127.46) (  -0.95,-130.98)  401.12                80
 03/20/2023   22:29:03   (  -0.14,-127.42) (   0.03,-126.52)  101.95                80
 03/23/2023   10:30:23   (   0.14,-127.28) (   0.19,-127.46)   20.11                80
 03/24/2023   10:14:40   (   0.14,-127.24) (  -0.80,-123.00)  482.87                80
 03/25/2023   22:34:31   (  -0.14,-127.21) (  -0.40,-128.42)  137.61                80