Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 4 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/13/2022   18:31:35   (   0.04, -75.21) (   0.84, -71.58)  413.83                80
 04/15/2022   06:56:35   (  -0.04, -75.22) (   0.36, -76.96)  198.92                80
 04/16/2022   06:35:31   (  -0.04, -75.22) (  -0.64, -72.51)  308.81                80
 04/17/2022   19:00:41   (   0.03, -75.22) (  -0.57, -77.93)  308.60                80
 04/18/2022   18:39:37   (   0.04, -75.23) (   0.44, -73.48)  199.34                80
 04/20/2022   07:04:36   (  -0.03, -75.24) (   0.76, -78.86)  412.98                80
 04/21/2022   06:43:33   (  -0.03, -75.24) (  -0.24, -74.41)   94.91                80
 04/23/2022   18:50:18   (   0.02, -75.25) (  -0.01, -75.37)   14.03                80
 04/24/2022   18:29:14   (   0.02, -75.26) (   1.00, -70.92)  494.63                80
 04/26/2022   06:54:14   (  -0.02, -75.28) (   0.21, -76.30)  116.17                80