Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/07/2022   06:58:29   (  -0.05, -75.18) (   0.66, -78.16)  341.53                80
 01/08/2022   06:37:26   (  -0.04, -75.18) (  -0.35, -73.72)  166.12                80
 01/09/2022   18:59:56   (   0.05, -75.20) (  -0.85, -79.15)  450.75                80
 01/10/2022   18:44:14   (   0.04, -75.21) (   0.15, -74.70)   57.45                80
 01/13/2022   06:48:13   (  -0.03, -75.23) (   0.06, -75.65)   47.34                80
 01/14/2022   06:27:10   (  -0.03, -75.25) (  -0.94, -71.20)  461.09                80
 01/15/2022   18:49:40   (   0.02, -75.27) (  -0.30, -76.62)  154.66                80
 01/16/2022   18:33:57   (   0.01, -75.28) (   0.71, -72.18)  354.17                80
 01/18/2022   06:56:18   (  -0.00, -75.31) (   0.53, -77.57)  258.01                80
 01/19/2022   06:35:16   (   0.01, -75.32) (  -0.48, -73.12)  251.03                80