Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2019 11 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/15/2019   18:31:08   (  -0.00, -75.21) (  -0.01, -75.20)    0.37                80
 11/18/2019   06:33:43   (   0.01, -75.21) (   0.17, -75.83)   71.18                80
 11/19/2019   06:12:09   (   0.01, -75.21) (  -0.91, -71.27)  450.65                80
 11/20/2019   18:33:48   (  -0.01, -75.23) (  -0.28, -76.50)  144.57                80
 11/21/2019   18:17:33   (  -0.01, -75.24) (   0.74, -71.92)  377.78                80
 11/23/2019   06:39:04   (   0.01, -75.25) (   0.44, -77.12)  214.01                80
 11/24/2019   06:17:29   (   0.01, -75.26) (  -0.57, -72.55)  308.65                80
 11/25/2019   18:39:08   (  -0.01, -75.28) (  -0.60, -77.78)  285.43                80
 11/26/2019   18:22:52   (  -0.02, -75.30) (   0.42, -73.21)  237.69                80
 11/28/2019   06:44:25   (   0.02, -75.32) (   0.71, -78.42)  353.01                80