Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 1 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/31/2020   06:32:35   (   0.06, -75.21) (   0.14, -75.48)   30.83                80
 02/01/2020   06:11:00   (   0.06, -75.22) (  -0.89, -70.90)  491.60                80
 02/02/2020   18:35:20   (  -0.07, -75.24) (  -0.26, -76.14)  102.98                80
 02/03/2020   18:13:45   (  -0.07, -75.25) (   0.77, -71.57)  419.64                80
 02/05/2020   06:37:55   (   0.07, -75.26) (   0.40, -76.77)  171.28                80
 02/06/2020   06:16:20   (   0.08, -75.27) (  -0.64, -72.19)  351.37                80
 02/07/2020   18:40:39   (  -0.08, -75.29) (  -0.58, -77.42)  242.96                80
 02/08/2020   18:19:03   (  -0.08, -75.30) (   0.46, -72.84)  279.96                80
 02/10/2020   06:43:14   (   0.09, -75.32) (   0.71, -78.04)  310.23                80
 02/11/2020   06:21:38   (   0.09, -75.33) (  -0.32, -73.46)  212.94                80
 02/12/2020   18:45:59   (  -0.09, -75.36) (  -0.83, -78.70)  380.43                80