Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 4 5.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/06/2023   18:50:56   (   0.05, -75.20) (   0.66, -72.53)  304.69                80
 04/08/2023   07:15:56   (  -0.04, -75.21) (   0.59, -77.90)  308.04                80
 04/09/2023   06:54:54   (  -0.05, -75.20) (  -0.43, -73.45)  199.38                80
 04/10/2023   19:20:04   (   0.04, -75.20) (  -0.77, -78.87)  418.62                80
 04/11/2023   18:59:01   (   0.04, -75.20) (   0.19, -74.41)   89.00                80
 04/14/2023   07:05:38   (  -0.03, -75.21) (   0.01, -75.34)   15.44                80
 04/15/2023   06:44:36   (  -0.03, -75.21) (  -1.02, -70.89)  492.66                80
 04/16/2023   19:09:45   (   0.02, -75.21) (  -0.22, -76.30)  124.02                80
 04/17/2023   18:48:43   (   0.02, -75.22) (   0.81, -71.85)  384.71                80
 04/19/2023   07:13:42   (  -0.02, -75.25) (   0.45, -77.22)  225.56                80