Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2022 4 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2022   10:34:35   (   0.11,-128.25) (   0.86,-131.59)  379.72                10
 04/26/2022   10:14:40   (   0.12,-128.24) (  -0.10,-127.12)  126.26                80
 04/27/2022   22:37:10   (  -0.11,-128.23) (  -1.08,-132.55)  492.34                80
 04/28/2022   22:21:26   (  -0.12,-128.22) (  -0.06,-128.10)   14.11                80
 05/01/2022   10:22:41   (   0.11,-128.15) (   0.30,-129.02)   98.95                80
 05/02/2022   10:06:56   (   0.11,-128.13) (  -0.67,-124.56)  406.45                80
 05/03/2022   22:26:46   (  -0.10,-128.11) (  -0.49,-129.99)  213.54                80
 05/04/2022   22:11:01   (  -0.11,-128.09) (   0.47,-125.53)  291.87                80
 05/06/2022   10:30:41   (   0.09,-128.04) (   0.73,-130.91)  327.52                80
 05/07/2022   10:14:56   (   0.10,-128.01) (  -0.24,-126.45)  177.32                80