Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 2 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 03/01/2023   10:34:28   (   0.11,-128.01) (   0.30,-128.74)   84.48                80
 03/02/2023   10:18:47   (   0.11,-127.98) (  -0.75,-124.31)  419.99                80
 03/03/2023   22:41:18   (  -0.12,-127.96) (  -0.54,-129.71)  201.11                80
 03/04/2023   22:20:17   (  -0.12,-127.93) (   0.50,-125.28)  302.99                80
 03/06/2023   10:42:40   (   0.12,-127.88) (   0.75,-130.66)  317.38                80
 03/07/2023   10:26:59   (   0.12,-127.85) (  -0.24,-126.21)  186.79                80
 03/08/2023   22:49:30   (  -0.12,-127.83) (  -0.98,-131.64)  434.30                80
 03/09/2023   22:28:29   (  -0.12,-127.80) (   0.02,-127.19)   69.41                80
 03/12/2023   10:32:31   (   0.13,-127.70) (   0.22,-128.13)   48.68                80