Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 1 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/18/2022   06:56:18   (  -0.05, -75.18) (   0.51, -77.56)  272.31                80
 01/19/2022   06:35:16   (  -0.05, -75.18) (  -0.50, -73.12)  234.62                80
 01/20/2022   18:57:45   (   0.05, -75.18) (  -0.73, -78.54)  383.53                80
 01/21/2022   18:42:03   (   0.05, -75.18) (   0.28, -74.10)  123.95                80
 01/23/2022   07:04:25   (  -0.05, -75.19) (   0.89, -79.50)  489.94                80
 01/24/2022   06:43:21   (  -0.05, -75.20) (  -0.06, -75.04)   17.85                80
 01/26/2022   18:47:28   (   0.04, -75.21) (  -0.14, -76.02)   91.77                80
 01/27/2022   18:31:46   (   0.04, -75.22) (   0.88, -71.57)  416.19                80
 01/29/2022   06:54:07   (  -0.03, -75.23) (   0.37, -76.96)  197.09                80
 01/30/2022   06:33:05   (  -0.03, -75.24) (  -0.65, -72.52)  310.85                80
 01/31/2022   18:55:34   (   0.03, -75.25) (  -0.55, -77.94)  306.03                80