Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/23/2022   07:04:24   (  -0.06, -75.19) (   0.91, -79.49)  490.45                80
 01/24/2022   06:43:22   (  -0.06, -75.19) (  -0.10, -75.04)   17.20                80
 01/26/2022   18:47:29   (   0.05, -75.22) (  -0.11, -76.02)   91.36                80
 01/27/2022   18:31:45   (   0.05, -75.23) (   0.85, -71.57)  416.67                80
 01/29/2022   06:54:08   (  -0.05, -75.23) (   0.34, -76.97)  197.45                80
 01/30/2022   06:33:05   (  -0.04, -75.24) (  -0.68, -72.52)  310.52                80
 01/31/2022   18:55:33   (   0.04, -75.26) (  -0.58, -77.93)  305.47                80
 02/01/2022   18:39:51   (   0.04, -75.27) (   0.43, -73.49)  203.12                80
 02/03/2022   07:02:13   (  -0.04, -75.29) (   0.76, -78.89)  409.25                80
 02/04/2022   06:41:11   (  -0.04, -75.31) (  -0.26, -74.44)   99.80                80