Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 8 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 08/26/2020   18:33:08   (   0.05, -75.20) (   0.08, -75.12)    9.48                80
 08/29/2020   06:35:42   (  -0.06, -75.21) (   0.06, -75.73)   59.25                80
 08/30/2020   06:16:46   (  -0.06, -75.22) (  -0.96, -71.15)  463.76                80
 08/31/2020   18:35:44   (   0.07, -75.24) (  -0.19, -76.38)  129.57                80
 09/01/2020   18:19:28   (   0.07, -75.26) (   0.83, -71.80)  394.12                80
 09/03/2020   06:40:58   (  -0.07, -75.28) (   0.32, -76.99)  195.39                80
 09/04/2020   06:19:21   (  -0.07, -75.30) (  -0.70, -72.41)  328.75                80
 09/05/2020   18:41:00   (   0.07, -75.33) (  -0.45, -77.64)  263.25                80
 09/06/2020   18:24:43   (   0.07, -75.36) (   0.57, -73.06)  261.27                80