Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 11 9.  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)   82.80                80
 11/10/2021   06:25:51   (   0.00, -75.19) (  -0.89, -71.33)  440.44                80
 11/11/2021   18:50:06   (  -0.00, -75.19) (  -0.28, -76.53)  152.55                80
 11/12/2021   18:28:28   (   0.00, -75.19) (   0.75, -71.94)  371.44                80
 11/14/2021   06:52:33   (   0.00, -75.20) (   0.45, -77.10)  216.29                80
 11/15/2021   06:30:54   (   0.00, -75.21) (  -0.59, -72.50)  308.22                80
 11/16/2021   18:55:10   (  -0.01, -75.23) (  -0.58, -77.71)  282.90                80
 11/17/2021   18:33:31   (  -0.01, -75.24) (   0.46, -73.12)  242.11                80
 11/19/2021   06:57:37   (   0.02, -75.26) (   0.68, -78.29)  344.33                80
 11/20/2021   06:35:59   (   0.02, -75.28) (  -0.35, -73.69)  180.70                80
 11/21/2021   19:00:13   (  -0.03, -75.30) (  -0.86, -78.89)  409.88                80
 11/22/2021   18:38:35   (  -0.02, -75.31) (   0.18, -74.30)  115.42                80