Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2020 1 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 01/12/2020   18:32:59   (  -0.05, -75.20) (  -0.11, -75.61)   45.39                80
 01/13/2020   18:11:24   (  -0.04, -75.20) (   0.91, -71.03)  475.80                80
 01/15/2020   06:35:34   (   0.05, -75.20) (   0.28, -76.22)  116.82                80
 01/16/2020   06:13:59   (   0.04, -75.20) (  -0.75, -71.65)  404.60                80
 01/17/2020   18:38:18   (  -0.05, -75.20) (  -0.44, -76.88)  191.48                80
 01/18/2020   18:16:42   (  -0.05, -75.21) (   0.59, -72.31)  330.44                80
 01/20/2020   06:40:53   (   0.06, -75.21) (   0.59, -77.50)  260.83                80
 01/21/2020   06:19:17   (   0.06, -75.22) (  -0.44, -72.93)  261.24                80
 01/22/2020   18:43:37   (  -0.07, -75.23) (  -0.75, -78.16)  334.14                80
 01/23/2020   18:22:01   (  -0.07, -75.24) (   0.28, -73.58)  188.43                80
 01/25/2020   06:46:12   (   0.08, -75.26) (   0.84, -78.79)  401.51                80