Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 9 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/20/2022   06:44:37   (   0.05, -75.19) (  -0.41, -73.26)  219.99                80
 09/21/2022   19:07:02   (  -0.04, -75.19) (  -0.81, -78.66)  395.64                80
 09/22/2022   18:51:17   (  -0.04, -75.19) (   0.19, -74.20)  112.95                80
 09/24/2022   07:13:34   (   0.03, -75.19) (   1.02, -79.57)  499.84                80
 09/25/2022   06:52:28   (   0.03, -75.19) (   0.02, -75.11)    9.15                80
 09/27/2022   18:56:28   (  -0.03, -75.22) (  -0.22, -76.06)   95.74                80
 09/28/2022   18:40:43   (  -0.03, -75.22) (   0.79, -71.60)  413.70                80
 09/30/2022   07:03:00   (   0.03, -75.23) (   0.42, -76.97)  198.23                80
 10/01/2022   06:41:55   (   0.03, -75.23) (  -0.59, -72.51)  311.01                80
 10/02/2022   19:04:20   (  -0.02, -75.25) (  -0.60, -77.91)  303.15                80
 10/03/2022   18:48:34   (  -0.02, -75.26) (   0.41, -73.45)  206.32                80