Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 9 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2020   06:21:23   (  -0.02, -75.18) (  -0.53, -72.82)  269.18                80
 09/26/2020   18:43:03   (   0.03, -75.19) (  -0.59, -78.05)  326.48                80
 09/27/2020   18:26:46   (   0.03, -75.19) (   0.43, -73.47)  195.67                80
 09/29/2020   06:48:15   (  -0.04, -75.18) (   0.73, -78.66)  396.03                80
 09/30/2020   06:26:39   (  -0.04, -75.19) (  -0.30, -74.08)  126.60                80
 10/01/2020   18:48:17   (   0.04, -75.20) (  -0.88, -79.30)  467.54                80
 10/02/2020   18:32:01   (   0.04, -75.21) (   0.14, -74.72)   55.61                80
 10/05/2020   06:34:34   (  -0.04, -75.23) (  -0.01, -75.33)   11.33                80
 10/07/2020   18:34:35   (   0.04, -75.27) (  -0.15, -75.97)   81.54                80
 10/08/2020   18:18:20   (   0.04, -75.28) (   0.94, -71.41)  442.00                80