Simultaneous Nadir Overpasses (SNOs) between GOES-16 and FY3D
TLE Epoch: 2023 4 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 04/14/2023   07:05:39   (  -0.03, -75.21) (   0.01, -75.34)   15.40                80
 04/15/2023   06:44:36   (  -0.03, -75.21) (  -1.01, -70.89)  492.92                80
 04/16/2023   19:09:47   (   0.03, -75.23) (  -0.19, -76.31)  122.64                80
 04/17/2023   18:48:43   (   0.03, -75.24) (   0.78, -71.85)  386.28                80
 04/19/2023   07:13:43   (  -0.02, -75.26) (   0.43, -77.22)  224.59                80
 04/20/2023   06:52:41   (  -0.03, -75.27) (  -0.60, -72.78)  284.56                80
 04/21/2023   19:17:50   (   0.02, -75.30) (  -0.65, -78.18)  330.00                80
 04/22/2023   18:56:48   (   0.03, -75.31) (   0.38, -73.74)  179.54                80
 04/24/2023   07:21:48   (  -0.02, -75.34) (   0.82, -79.12)  430.27                80
 04/25/2023   07:00:45   (  -0.02, -75.36) (  -0.16, -74.66)   79.49                80