Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2021 11 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 11/25/2021   06:48:41   (   0.02, -75.20) (   0.23, -76.08)  100.15                80
 11/26/2021   06:27:39   (   0.02, -75.21) (  -0.77, -71.64)  406.75                80
 11/27/2021   18:50:13   (  -0.02, -75.23) (  -0.43, -77.08)  211.42                80
 11/28/2021   18:34:32   (  -0.02, -75.24) (   0.60, -72.65)  295.88                80
 11/30/2021   06:56:56   (   0.01, -75.25) (   0.63, -78.05)  318.62                80
 12/01/2021   06:35:55   (   0.01, -75.26) (  -0.37, -73.61)  188.57                80
 12/02/2021   18:58:29   (  -0.01, -75.29) (  -0.84, -79.06)  429.76                80
 12/03/2021   18:42:49   (  -0.01, -75.30) (   0.13, -74.62)   77.45                80
 12/06/2021   06:46:55   (   0.01, -75.33) (   0.05, -75.60)   30.24                80
 12/07/2021   06:25:55   (   0.01, -75.34) (  -0.95, -71.17)  476.82                80