Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 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)
 11/21/2019   18:17:33   (   0.01, -75.19) (   0.74, -71.92)  373.11                80
 11/23/2019   06:39:04   (  -0.01, -75.19) (   0.44, -77.12)  220.40                80
 11/24/2019   06:17:29   (  -0.01, -75.19) (  -0.57, -72.54)  301.30                80
 11/25/2019   18:39:08   (   0.01, -75.21) (  -0.60, -77.78)  293.82                80
 11/26/2019   18:22:53   (   0.01, -75.21) (   0.48, -73.22)  228.28                80
 11/28/2019   06:44:25   (  -0.00, -75.22) (   0.71, -78.42)  364.27                80
 11/29/2019   06:22:49   (  -0.00, -75.23) (  -0.31, -73.84)  158.04                80
 11/30/2019   18:44:29   (  -0.00, -75.25) (  -0.86, -79.08)  436.07                80
 12/01/2019   18:28:13   (  -0.01, -75.26) (   0.17, -74.50)   86.82                80
 12/04/2019   06:28:10   (   0.01, -75.30) (  -0.05, -75.14)   19.20                80