Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 2 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 02/18/2020   18:32:20   (  -0.06, -75.18) (  -0.13, -75.39)   23.98                80
 02/19/2020   18:10:44   (  -0.07, -75.18) (   0.90, -70.81)  497.11                80
 02/21/2020   06:34:55   (   0.07, -75.16) (   0.26, -76.01)   96.60                80
 02/22/2020   06:13:19   (   0.07, -75.16) (  -0.78, -71.44)  424.70                80
 02/23/2020   18:34:59   (  -0.08, -75.16) (  -0.41, -76.67)  170.98                80
 02/24/2020   18:16:03   (  -0.08, -75.17) (   0.63, -72.09)  350.91                80
 02/26/2020   06:40:13   (   0.08, -75.17) (   0.53, -77.29)  241.33                80
 02/27/2020   06:18:37   (   0.08, -75.17) (  -0.45, -72.70)  280.83                80
 02/28/2020   18:40:17   (  -0.08, -75.19) (  -0.68, -77.95)  313.80                80
 02/29/2020   18:21:21   (  -0.08, -75.19) (   0.31, -73.36)  208.76                80