Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 8 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/10/2022   18:43:29   (  -0.03, -75.19) (   0.54, -72.73)  280.77                80
 08/12/2022   07:05:46   (   0.02, -75.20) (   0.65, -78.11)  330.93                80
 08/13/2022   06:44:41   (   0.02, -75.20) (  -0.32, -73.64)  177.85                80
 08/14/2022   19:07:08   (  -0.02, -75.21) (  -0.87, -79.06)  437.97                80
 08/15/2022   18:51:23   (  -0.02, -75.22) (   0.10, -74.59)   71.65                80
 08/18/2022   06:55:15   (   0.02, -75.26) (   0.05, -75.52)   28.36                80
 08/19/2022   06:34:10   (   0.02, -75.28) (  -0.93, -71.05)  481.58                80
 08/20/2022   18:56:37   (  -0.00, -75.30) (  -0.26, -76.47)  133.35                80
 08/21/2022   18:40:53   (   0.01, -75.31) (   0.78, -72.02)  376.64                80
 08/23/2022   07:03:09   (  -0.01, -75.35) (   0.47, -77.38)  232.03                80