Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/21/2022   18:42:03   (   0.05, -75.19) (   0.30, -74.10)  124.03                80
 01/23/2022   07:04:24   (  -0.06, -75.19) (   0.93, -79.49)  490.32                80
 01/24/2022   06:43:22   (  -0.06, -75.19) (  -0.08, -75.04)   17.29                80
 01/26/2022   18:47:29   (   0.05, -75.21) (  -0.12, -76.02)   91.81                80
 01/27/2022   18:31:45   (   0.04, -75.22) (   0.84, -71.56)  416.16                80
 01/29/2022   06:54:07   (  -0.04, -75.23) (   0.34, -76.96)  197.58                80
 01/30/2022   06:33:05   (  -0.04, -75.24) (  -0.67, -72.52)  310.34                80
 01/31/2022   18:55:33   (   0.03, -75.25) (  -0.58, -77.93)  306.14                80
 02/01/2022   18:39:51   (   0.03, -75.26) (   0.44, -73.49)  202.43                80
 02/03/2022   07:02:12   (  -0.03, -75.29) (   0.81, -78.88)  409.46                80