Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 8 26.  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   18:33:09   (   0.05, -75.20) (   0.09, -75.12)    9.75                80
 08/29/2020   06:35:42   (  -0.06, -75.21) (   0.04, -75.74)   59.29                80
 08/30/2020   06:16:46   (  -0.06, -75.22) (  -0.98, -71.15)  463.70                80
 08/31/2020   18:35:44   (   0.07, -75.24) (  -0.17, -76.38)  129.75                80
 09/01/2020   18:19:28   (   0.07, -75.26) (   0.85, -71.80)  393.92                80
 09/03/2020   06:40:58   (  -0.07, -75.28) (   0.30, -77.00)  195.53                80
 09/04/2020   06:19:22   (  -0.07, -75.30) (  -0.72, -72.42)  328.57                80
 09/05/2020   18:41:00   (   0.07, -75.33) (  -0.42, -77.65)  263.55                80
 09/06/2020   18:24:43   (   0.07, -75.35) (   0.60, -73.06)  260.95                80
 09/08/2020   06:46:14   (  -0.08, -75.39) (   0.55, -78.26)  327.37                80