Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 7 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/30/2020   18:42:03   (   0.03, -75.15) (  -0.62, -77.99)  323.78                80
 07/31/2020   18:25:46   (   0.03, -75.12) (   0.40, -73.41)  194.77                80
 08/02/2020   06:44:36   (  -0.04, -75.09) (   0.76, -78.60)  401.00                80
 08/03/2020   06:28:20   (  -0.04, -75.06) (  -0.26, -74.02)  117.94                80
 08/04/2020   18:47:18   (   0.04, -75.00) (  -0.89, -79.25)  483.56                80
 08/05/2020   18:31:02   (   0.04, -74.98) (   0.13, -74.67)   36.09                80
 08/08/2020   06:30:56   (  -0.04, -74.94) (   0.02, -75.28)   38.00                80
 08/09/2020   06:14:39   (  -0.04, -74.92) (  -1.00, -70.70)  482.18                80
 08/10/2020   18:33:36   (   0.04, -74.88) (  -0.20, -75.91)  117.78                80
 08/11/2020   18:17:20   (   0.04, -74.87) (   0.82, -71.33)  402.67                80