Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 11 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)
 11/27/2021   18:50:13   (  -0.01, -75.20) (  -0.41, -77.09)  214.56                80
 11/28/2021   18:34:32   (  -0.01, -75.20) (   0.56, -72.64)  291.14                80
 11/30/2021   06:56:55   (   0.00, -75.19) (   0.67, -78.04)  325.82                80
 12/01/2021   06:35:54   (   0.01, -75.18) (  -0.33, -73.60)  179.83                80
 12/02/2021   18:58:29   (  -0.01, -75.18) (  -0.88, -79.05)  440.93                80
 12/03/2021   18:42:48   (  -0.01, -75.18) (   0.09, -74.61)   64.72                80
 12/06/2021   06:46:54   (   0.01, -75.17) (   0.08, -75.59)   47.03                80
 12/07/2021   06:25:55   (   0.00, -75.17) (  -0.92, -71.16)  458.35                80
 12/08/2021   18:48:30   (   0.00, -75.18) (  -0.32, -76.60)  162.46                80
 12/09/2021   18:32:51   (   0.00, -75.18) (   0.65, -72.17)  343.44                80