Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2022 4 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/20/2022   07:04:36   (  -0.04, -75.22) (   0.78, -78.86)  414.20                80
 04/21/2022   06:43:32   (  -0.04, -75.22) (  -0.23, -74.41)   93.03                80
 04/23/2022   18:47:37   (   0.03, -75.22) (  -0.01, -75.37)   16.53                80
 04/24/2022   18:31:54   (   0.03, -75.23) (   1.01, -70.92)  491.56                80
 04/26/2022   06:54:12   (  -0.02, -75.24) (   0.25, -76.29)  120.85                80
 04/27/2022   06:33:08   (  -0.02, -75.24) (  -0.77, -71.84)  387.67                80
 04/28/2022   18:55:38   (   0.02, -75.26) (  -0.41, -77.27)  227.82                80
 04/29/2022   18:39:53   (   0.02, -75.28) (   0.55, -72.80)  281.32                80
 05/01/2022   07:02:12   (  -0.02, -75.30) (   0.65, -78.19)  329.57                80
 05/02/2022   06:41:09   (  -0.02, -75.31) (  -0.37, -73.74)  179.57                80