Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 7 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/23/2020   06:34:05   (  -0.02, -75.19) (   0.19, -76.09)  102.71                80
 07/24/2020   06:17:48   (  -0.02, -75.19) (  -0.82, -71.51)  418.81                80
 07/25/2020   18:36:47   (   0.02, -75.18) (  -0.35, -76.73)  177.19                80
 07/26/2020   18:20:31   (   0.02, -75.18) (   0.72, -72.16)  344.76                80
 07/28/2020   06:39:22   (  -0.02, -75.18) (   0.44, -77.36)  247.81                80
 07/29/2020   06:23:05   (  -0.02, -75.18) (  -0.57, -72.78)  274.23                80
 07/30/2020   18:42:03   (   0.03, -75.18) (  -0.59, -78.00)  321.19                80
 07/31/2020   18:25:47   (   0.03, -75.18) (   0.43, -73.42)  201.14                80
 08/02/2020   06:44:37   (  -0.03, -75.19) (   0.74, -78.61)  390.54                80
 08/03/2020   06:28:21   (  -0.03, -75.19) (  -0.27, -74.03)  132.21                80
 08/04/2020   18:47:19   (   0.04, -75.21) (  -0.88, -79.26)  461.89                80