Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 6 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)
 06/21/2022   19:04:16   (  -0.03, -75.20) (  -0.73, -78.21)  344.42                80
 06/22/2022   18:43:13   (  -0.02, -75.20) (   0.33, -73.77)  163.80                80
 06/24/2022   07:08:11   (   0.02, -75.20) (   0.91, -79.14)  449.10                80
 06/25/2022   06:47:07   (   0.01, -75.20) (  -0.10, -74.68)   59.15                80
 06/27/2022   18:51:09   (   0.00, -75.22) (  -0.11, -75.64)   48.09                80
 06/28/2022   18:35:24   (   0.01, -75.23) (   0.90, -71.18)  460.63                80
 06/30/2022   06:57:43   (  -0.01, -75.24) (   0.27, -76.57)  151.25                80
 07/01/2022   06:36:39   (  -0.01, -75.25) (  -0.74, -72.11)  357.81                80
 07/02/2022   18:59:05   (   0.01, -75.26) (  -0.47, -77.52)  256.81                80
 07/03/2022   18:43:20   (   0.01, -75.28) (   0.48, -73.05)  252.85                80