Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/12/2019   06:47:18   (  -0.00, -75.20) (   0.89, -79.12)  446.18                80
 11/13/2019   06:25:43   (  -0.00, -75.21) (  -0.12, -74.54)   75.55                80
 11/15/2019   18:31:08   (  -0.00, -75.22) (   0.00, -75.21)    1.48                80
 11/18/2019   06:33:44   (   0.01, -75.23) (   0.16, -75.83)   68.80                80
 11/19/2019   06:12:08   (   0.01, -75.24) (  -0.86, -71.26)  453.30                80
 11/20/2019   18:33:48   (  -0.01, -75.25) (  -0.26, -76.50)  141.91                80
 11/21/2019   18:17:33   (  -0.01, -75.27) (   0.75, -71.93)  380.73                80
 11/23/2019   06:39:04   (   0.01, -75.29) (   0.43, -77.13)  210.22                80
 11/24/2019   06:17:29   (   0.01, -75.30) (  -0.58, -72.55)  312.71                80