Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 12 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 12/31/2021   18:28:02   (   0.03, -75.19) (   1.03, -70.86)  493.80                80
 01/02/2022   06:47:42   (  -0.03, -75.17) (   0.24, -76.24)  122.06                80
 01/03/2022   06:32:00   (  -0.03, -75.17) (  -0.77, -71.79)  384.83                80
 01/04/2022   18:51:50   (   0.03, -75.18) (  -0.44, -77.22)  233.16                80
 01/05/2022   18:36:07   (   0.03, -75.18) (   0.56, -72.78)  274.27                80
 01/07/2022   06:58:29   (  -0.03, -75.19) (   0.65, -78.17)  340.03                80
 01/08/2022   06:37:26   (  -0.03, -75.20) (  -0.35, -73.72)  167.90                80
 01/09/2022   18:59:56   (   0.03, -75.22) (  -0.84, -79.15)  448.33                80
 01/10/2022   18:44:14   (   0.03, -75.23) (   0.17, -74.71)   60.26                80
 01/13/2022   06:48:13   (  -0.02, -75.26) (   0.04, -75.65)   43.82                80
 01/14/2022   06:27:09   (  -0.01, -75.28) (  -0.91, -71.20)  465.09                80