Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 11 7.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/09/2021   06:47:28   (   0.01, -75.19) (   0.20, -75.91)   82.64                80
 11/10/2021   06:25:51   (   0.01, -75.19) (  -0.88, -71.33)  440.61                80
 11/11/2021   18:50:06   (  -0.01, -75.19) (  -0.30, -76.53)  152.34                80
 11/12/2021   18:28:28   (  -0.00, -75.20) (   0.72, -71.93)  371.58                80
 11/14/2021   06:52:34   (   0.01, -75.21) (   0.43, -77.10)  216.23                80
 11/15/2021   06:30:55   (   0.01, -75.21) (  -0.58, -72.51)  308.19                80
 11/16/2021   18:55:11   (  -0.02, -75.23) (  -0.60, -77.71)  283.04                80
 11/17/2021   18:33:33   (  -0.02, -75.24) (   0.48, -73.13)  241.87                80
 11/19/2021   06:57:40   (   0.03, -75.27) (   0.69, -78.29)  344.76                80
 11/20/2021   06:36:01   (   0.02, -75.28) (  -0.32, -73.70)  180.13                80