Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 4 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/14/2020   06:28:31   (  -0.01, -75.18) (  -0.08, -75.02)   18.82                80
 04/16/2020   18:31:12   (   0.01, -75.18) (  -0.11, -75.66)   54.82                80
 04/17/2020   18:14:57   (   0.01, -75.19) (   0.94, -71.09)  467.19                80
 04/19/2020   06:36:27   (  -0.00, -75.18) (   0.26, -76.28)  125.79                80
 04/20/2020   06:14:52   (  -0.00, -75.18) (  -0.79, -71.71)  396.45                80
 04/21/2020   18:36:30   (   0.00, -75.20) (  -0.39, -76.93)  197.25                80
 04/22/2020   18:20:15   (   0.00, -75.21) (   0.66, -72.36)  325.48                80
 04/24/2020   06:41:45   (  -0.01, -75.22) (   0.54, -77.55)  266.31                80
 04/25/2020   06:20:09   (  -0.01, -75.23) (  -0.51, -72.98)  256.39                80