Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 11 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/11/2021   18:50:06   (  -0.01, -75.19) (  -0.29, -76.53)  151.92                80
 11/12/2021   18:28:27   (  -0.01, -75.20) (   0.74, -71.94)  372.33                80
 11/14/2021   06:52:33   (   0.01, -75.21) (   0.45, -77.09)  214.97                80
 11/15/2021   06:30:54   (   0.01, -75.22) (  -0.58, -72.50)  309.84                80
 11/16/2021   18:55:09   (  -0.02, -75.24) (  -0.58, -77.71)  280.97                80
 11/17/2021   18:33:31   (  -0.02, -75.26) (   0.46, -73.11)  244.29                80
 11/19/2021   06:57:37   (   0.03, -75.28) (   0.68, -78.29)  341.78                80
 11/20/2021   06:35:59   (   0.03, -75.30) (  -0.35, -73.69)  183.52                80
 11/21/2021   19:00:13   (  -0.03, -75.32) (  -0.85, -78.89)  406.77                80
 11/22/2021   18:38:35   (  -0.03, -75.34) (   0.19, -74.30)  118.80                80
 11/24/2021   07:02:41   (   0.04, -75.37) (   0.96, -79.46)  466.64                80