Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 7 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 07/21/2023   07:01:08   (   0.02, -75.20) (  -0.38, -73.54)  190.01                80
 07/22/2023   19:23:36   (  -0.02, -75.21) (  -0.87, -78.94)  425.78                80
 07/23/2023   19:07:53   (  -0.02, -75.21) (   0.16, -74.49)   82.78                80
 07/26/2023   07:11:50   (   0.02, -75.23) (   0.08, -75.41)   20.60                80
 07/27/2023   06:50:48   (   0.02, -75.24) (  -0.96, -70.96)  488.25                80
 07/28/2023   19:13:16   (  -0.03, -75.25) (  -0.29, -76.36)  126.93                80
 07/29/2023   18:57:33   (  -0.03, -75.26) (   0.70, -71.90)  381.91                80
 07/31/2023   07:19:53   (   0.04, -75.27) (   0.51, -77.28)  229.70                80
 08/01/2023   06:58:50   (   0.04, -75.28) (  -0.54, -72.83)  279.35                80
 08/02/2023   19:21:19   (  -0.05, -75.30) (  -0.71, -78.24)  335.27                80
 08/03/2023   19:05:35   (  -0.05, -75.31) (   0.28, -73.78)  174.28                80