Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 7 23.  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, -75.20) (   0.20, -76.09)  102.03                80
 07/24/2020   06:17:49   (  -0.02, -75.20) (  -0.87, -71.52)  419.88                80
 07/25/2020   18:36:48   (   0.02, -75.20) (  -0.30, -76.74)  175.61                80
 07/26/2020   18:20:31   (   0.02, -75.20) (   0.71, -72.16)  346.69                80
 07/28/2020   06:39:21   (  -0.02, -75.20) (   0.45, -77.36)  245.21                80
 07/29/2020   06:23:05   (  -0.02, -75.21) (  -0.56, -72.77)  277.17                80
 07/30/2020   18:42:03   (   0.03, -75.21) (  -0.60, -78.00)  317.73                80
 07/31/2020   18:25:47   (   0.03, -75.22) (   0.42, -73.42)  204.97                80
 08/02/2020   06:44:37   (  -0.04, -75.23) (   0.75, -78.61)  386.11                80
 08/03/2020   06:28:22   (  -0.03, -75.24) (  -0.32, -74.04)  137.01                80
 08/04/2020   18:47:20   (   0.04, -75.26) (  -0.83, -79.27)  456.58                80
 08/05/2020   18:31:03   (   0.04, -75.27) (   0.18, -74.69)   67.19                80