Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 7 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2020   06:50:25   (  -0.01, -75.20) (   0.95, -79.41)  480.83                80
 07/18/2020   06:28:49   (  -0.01, -75.20) (  -0.12, -74.84)   41.42                80
 07/20/2020   18:31:31   (   0.01, -75.21) (  -0.04, -75.48)   30.96                80
 07/21/2020   18:15:15   (   0.01, -75.21) (   0.97, -70.90)  491.66                80
 07/23/2020   06:36:45   (  -0.01, -75.22) (   0.18, -76.10)   99.91                80
 07/24/2020   06:17:49   (  -0.00, -75.22) (  -0.83, -71.51)  423.02                80
 07/25/2020   18:36:47   (   0.00, -75.24) (  -0.33, -76.74)  170.45                80
 07/26/2020   18:20:30   (  -0.00, -75.26) (   0.68, -72.16)  352.90                80
 07/28/2020   06:39:21   (  -0.00, -75.27) (   0.48, -77.35)  237.70                80
 07/29/2020   06:23:05   (  -0.00, -75.28) (  -0.59, -72.78)  285.72                80