Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 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)
 01/26/2022   18:47:29   (   0.06, -75.22) (  -0.11, -76.02)   90.99                80
 01/27/2022   18:31:45   (   0.06, -75.23) (   0.85, -71.56)  417.09                80
 01/29/2022   06:54:08   (  -0.05, -75.23) (   0.33, -76.96)  197.38                80
 01/30/2022   06:33:05   (  -0.05, -75.24) (  -0.69, -72.52)  310.68                80
 01/31/2022   18:55:33   (   0.05, -75.26) (  -0.57, -77.93)  304.78                80
 02/01/2022   18:39:51   (   0.04, -75.28) (   0.44, -73.49)  203.89                80
 02/03/2022   07:02:13   (  -0.04, -75.30) (   0.74, -78.89)  408.84                80
 02/04/2022   06:41:10   (  -0.04, -75.32) (  -0.22, -74.43)  100.29                80
 02/06/2022   18:45:17   (   0.04, -75.38) (   0.05, -75.42)    4.20                80