Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 4 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/10/2023   19:20:04   (   0.04, -75.20) (  -0.81, -78.86)  418.26                80
 04/11/2023   18:59:01   (   0.04, -75.20) (   0.21, -74.42)   89.34                80
 04/14/2023   07:05:39   (  -0.03, -75.20) (  -0.00, -75.34)   15.55                80
 04/15/2023   06:44:37   (  -0.03, -75.21) (  -1.03, -70.89)  492.51                80
 04/16/2023   19:09:46   (   0.02, -75.22) (  -0.22, -76.30)  123.62                80
 04/17/2023   18:48:43   (   0.02, -75.23) (   0.81, -71.85)  385.12                80
 04/19/2023   07:13:44   (  -0.02, -75.25) (   0.40, -77.23)  225.66                80
 04/20/2023   06:52:40   (  -0.02, -75.26) (  -0.57, -72.77)  283.37                80
 04/21/2023   19:17:51   (   0.02, -75.28) (  -0.61, -78.19)  331.77                80
 04/22/2023   18:56:47   (   0.02, -75.29) (   0.37, -73.74)  177.64                80