Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 7 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/04/2020   18:34:39   (  -0.01, -75.20) (  -0.27, -76.28)  123.75                80
 07/05/2020   18:18:23   (  -0.02, -75.20) (   0.75, -71.70)  398.53                80
 07/07/2020   06:39:53   (   0.02, -75.20) (   0.38, -76.90)  192.61                80
 07/08/2020   06:18:16   (   0.02, -75.21) (  -0.63, -72.31)  329.98                80
 07/09/2020   18:39:55   (  -0.02, -75.22) (  -0.56, -77.54)  264.47                80
 07/10/2020   18:23:39   (  -0.02, -75.23) (   0.51, -72.97)  258.82                80
 07/12/2020   06:45:08   (   0.03, -75.25) (   0.68, -78.15)  330.65                80
 07/13/2020   06:23:32   (   0.03, -75.26) (  -0.33, -73.57)  192.82                80
 07/14/2020   18:45:10   (  -0.03, -75.28) (  -0.84, -78.79)  400.64                80
 07/15/2020   18:28:55   (  -0.03, -75.30) (   0.23, -74.22)  123.28                80
 07/17/2020   06:50:24   (   0.04, -75.33) (   0.97, -79.41)  465.26                80