Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/22/2022   22:29:10   (  -0.11,-128.31) (  -0.62,-130.67)  267.62                80
 04/23/2022   22:13:26   (  -0.12,-128.30) (   0.34,-126.21)  238.63                80
 04/25/2022   10:35:45   (   0.11,-128.26) (   0.85,-131.59)  379.62                80
 04/26/2022   10:14:40   (   0.12,-128.24) (  -0.11,-127.13)  126.36                80
 04/27/2022   22:37:10   (  -0.11,-128.23) (  -1.08,-132.55)  492.42                80
 04/28/2022   22:21:25   (  -0.12,-128.22) (  -0.11,-128.09)   14.05                80
 05/01/2022   10:22:41   (   0.11,-128.16) (   0.29,-129.03)   98.72                80
 05/02/2022   10:06:57   (   0.11,-128.13) (  -0.67,-124.56)  406.71                80
 05/03/2022   22:26:45   (  -0.10,-128.11) (  -0.55,-129.98)  213.48                80
 05/04/2022   22:11:01   (  -0.11,-128.09) (   0.48,-125.53)  291.96                80