Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 9 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/19/2022   07:05:41   (   0.05, -75.20) (   0.63, -77.71)  287.19                80
 09/20/2022   06:44:36   (   0.05, -75.20) (  -0.36, -73.25)  221.67                80
 09/21/2022   19:07:02   (  -0.04, -75.22) (  -0.80, -78.67)  392.63                80
 09/22/2022   18:51:17   (  -0.03, -75.23) (   0.20, -74.21)  116.76                80
 09/24/2022   07:13:34   (   0.03, -75.24) (   1.01, -79.58)  494.91                80
 09/25/2022   06:52:29   (   0.03, -75.25) (   0.01, -75.11)   14.94                80
 09/27/2022   18:56:28   (  -0.03, -75.29) (  -0.22, -76.06)   87.96                80
 09/28/2022   18:40:43   (  -0.03, -75.31) (   0.78, -71.60)  422.31                80
 09/30/2022   07:03:01   (   0.03, -75.32) (   0.37, -76.98)  188.54                80
 10/01/2022   06:41:56   (   0.03, -75.33) (  -0.63, -72.52)  321.51                80