Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/17/2022   22:21:09   (  -0.12,-128.38) (  -0.22,-128.77)   45.01                80
 04/18/2022   22:05:25   (  -0.12,-128.37) (   0.80,-124.32)  461.67                80
 04/20/2022   10:27:45   (   0.11,-128.33) (   0.40,-129.70)  155.74                80
 04/21/2022   10:06:40   (   0.12,-128.31) (  -0.56,-125.24)  350.21                80
 04/22/2022   22:29:10   (  -0.11,-128.30) (  -0.63,-130.67)  269.16                80
 04/23/2022   22:13:25   (  -0.12,-128.29) (   0.33,-126.20)  236.91                80
 04/25/2022   10:33:04   (   0.12,-128.25) (   0.86,-131.59)  380.59                80
 04/26/2022   10:14:40   (   0.12,-128.23) (  -0.10,-127.13)  125.26                80
 04/27/2022   22:37:09   (  -0.11,-128.21) (  -1.07,-132.56)  494.71                80
 04/28/2022   22:21:25   (  -0.12,-128.20) (  -0.10,-128.09)   11.33                80